# User contributions for BRIANCHAN

#### 27 March 2018

- 08:4808:48, 27 March 2018 diff hist +258 N Thread:Science talk:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (c)/Hint 1/Need a better explanation/reply Reply to Need a better explanation current
- 08:4008:40, 27 March 2018 diff hist +228 N Thread:Science talk:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (f)/Answer in reference to previous question?/reply Reply to Answer in reference to previous question? current
- 08:2408:24, 27 March 2018 diff hist −6 m Science:Math Exam Resources/Courses/MATH152/April 2016/Question B 01 (c)/Solution 2 No edit summary current
- 08:2008:20, 27 March 2018 diff hist +3 m Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 21/Hint 3 No edit summary current
- 08:2008:20, 27 March 2018 diff hist +9 m Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 21/Solution 2 No edit summary current
- 08:1808:18, 27 March 2018 diff hist −2 Science:Math Exam Resources/Courses/MATH152/April 2016/Question B 01 (c) No edit summary current
- 08:1708:17, 27 March 2018
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**+1,445** N Science:Math Exam Resources/Courses/MATH152/April 2016/Question B 01 (c)/Solution 2 Created page with "First translate this problem into a problem involving a system of linear equations. To do this, note that <math> L_1 </math> and <math> L_2 </math> intersect exactly when ther..." - 08:0108:01, 27 March 2018 diff hist +65 N Science:Math Exam Resources/Courses/MATH152/April 2016/Question B 01 (c)/Hint 2 Created page with "Translate this problem into a system of linear equations problem." current
- 07:5207:52, 27 March 2018 diff hist 0 m Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 24/Hint 1 No edit summary current
- 07:5107:51, 27 March 2018 diff hist −1 m Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 24/Hint 1 No edit summary
- 07:5007:50, 27 March 2018 diff hist +111 Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 24/Hint 1 No edit summary
- 07:2607:26, 27 March 2018 diff hist −2 Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 21 No edit summary current
- 07:2407:24, 27 March 2018
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**+1,662** N Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 21/Solution 2 Created page with "As in the (third) hint, let <math> \pi_1 </math> denote the projection onto <math> L_1 </math> and let <math> \pi_2 </math> denote the projection onto <math> L_2 </math>. I..." - 07:0707:07, 27 March 2018 diff hist +420 N Science:Math Exam Resources/Courses/MATH152/April 2016/Question A 21/Hint 3 Created page with "Let <math> \pi_1 </math> denote the projection onto <math> L_1 </math> and let <math> \pi_2 </math> denote the projection onto <math> L_2 </math>. Use the geometric interpret..."

#### 21 March 2018

- 08:3308:33, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 02 (d) No edit summary
- 08:3308:33, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 02 (d)/Solution 1 No edit summary current
- 08:3208:32, 21 March 2018 diff hist −27 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 02 (d)/Solution 1 No edit summary
- 08:3108:31, 21 March 2018 diff hist +13 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 02 (d)/Solution 1 No edit summary
- 08:3108:31, 21 March 2018
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**+880** N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 02 (d)/Solution 1 Created page with "Recall that the derivative of <math> \cos(x) </math> is <math> -\sin(x) </math>. So the derivative of <math> -\cos(x) </math> is <math> \sin(x) </math>. Hence,<math> -\cos(x)..." - 08:2408:24, 21 March 2018 diff hist +73 N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 02 (d)/Hint 1 Created page with "Recall the derivatives of the trigonometric functions and the Power Rule." current
- 08:2208:22, 21 March 2018 diff hist +33 m Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (g)/Solution 1 No edit summary
- 08:2108:21, 21 March 2018 diff hist −1 m Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (g)/Solution 1 No edit summary
- 08:2008:20, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (g)/Solution 1 No edit summary
- 08:1908:19, 21 March 2018 diff hist −4 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (g)/Solution 1 No edit summary
- 08:1908:19, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (g) No edit summary
- 08:1808:18, 21 March 2018
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**+597** N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (g)/Solution 1 Created page with "We could use the quotient rule to calculate the derivative, but instead we will break the function into a sum of parts and differentiate them individually. From part (d), we h..." - 08:1308:13, 21 March 2018 diff hist −46 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (f)/Solution 1 No edit summary
- 08:1108:11, 21 March 2018 diff hist +145 N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (g)/Hint 1 Created page with "Use the answer to part (d). Then use the quotient rule or break the function into a sum of functions and differentiate each of them individually." current
- 08:0608:06, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (f) No edit summary
- 08:0508:05, 21 March 2018
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**+557** N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (f)/Solution 1 Created page with "From part (d), <math> f'(x) = \frac{-1}{x^2} + \frac{2}{x^3} </math>. So to solve <math> f'(x) = 0 </math>, we calculate <math> \frac{-1}{x^2} + \frac{2}{x^3} = 0 </math>, <m..." - 08:0008:00, 21 March 2018 diff hist +275 N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (f)/Hint 1 Created page with "Recall that the local maxima and minima are exactly the points at which <math> f'(x) = 0 </math>. To see whether <math> x = s </math> local maxima or local minima, calculate <..."
- 07:5107:51, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (c) No edit summary
- 07:5107:51, 21 March 2018 diff hist +110 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (c)/Hint 1 No edit summary
- 07:4907:49, 21 March 2018 diff hist +33 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (c)/Solution 1 No edit summary
- 07:4807:48, 21 March 2018
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**+727** N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (c)/Solution 1 Created page with "The numerator <math> x - 1 </math> is zero exactly when <math> x = 1 </math> and the denominator <math> x^2 </math> is zero exactly when <math> x = 0 </math>. So, as the numer..." - 07:4407:44, 21 March 2018 diff hist +194 N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 05 (c)/Hint 1 Created page with "Determine the values of <math> x </math> for which the numerator <math> x - 1 </math> is zero, then determine the values of <math> x </math> for which the denominator <math> x..."
- 07:3507:35, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b) No edit summary
- 07:3507:35, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (a) No edit summary
- 07:3407:34, 21 March 2018 diff hist −8 m Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b)/Solution 1 No edit summary current
- 07:3307:33, 21 March 2018 diff hist +22 m Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b)/Solution 1 No edit summary
- 07:3207:32, 21 March 2018
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**+537** Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b)/Solution 1 No edit summary - 07:2607:26, 21 March 2018 diff hist 0 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b)/Hint 1 No edit summary current
- 07:2307:23, 21 March 2018
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**+654** N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b)/Solution 1 Created page with "No such function exists. To see this, we will use the Mean Value Theorem twice. Let <math> a = -1 </math> and <math> b = 2 </math>. Because <math> f'' < 0 </math> everywhere,..." - 07:1607:16, 21 March 2018 diff hist +99 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b)/Hint 1 No edit summary
- 07:1307:13, 21 March 2018 diff hist +32 Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b)/Hint 1 No edit summary
- 07:1207:12, 21 March 2018 diff hist +352 N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (b)/Hint 1 Created page with "Note that <math> \frac{f(2) - f(-1)}{2 - (-1)} = 3 </math>, and try to imagine a function that does satisfy <math> f'' < 0 </math> everywhere and <math> f'(2) = 3 </math>. To..."
- 07:0207:02, 21 March 2018 diff hist −1 m Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (a)/Solution 1 No edit summary current
- 07:0107:01, 21 March 2018
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**+1,021** N Science:Math Exam Resources/Courses/MATH110/April 2016/Question 09 (a)/Solution 1 Created page with "The tangent line at the point <math> (x, f(x)) </math> is parallel to the line with the equation <math> y = 2x </math> exactly when <math> f'(x) = 2 </math>. So it is enough t..." - 06:5106:51, 21 March 2018 diff hist −38 m Science:Math Exam Resources/Courses/MATH110/April 2016/Question 10/Solution 1 No edit summary current
- 06:4906:49, 21 March 2018 diff hist −9 m Science:Math Exam Resources/Courses/MATH110/April 2016/Question 10/Solution 1 No edit summary