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2014-10-27 Calculus - Question:

Hi John,  The simplest way to work on the chain rule is to rewrite the expression in the following manner;  y = sqrt(x^4 - 4x^2)  Let u = x^4 - 4x^2  then y = sqrt(u) = u^(1/2)  and so we have;  du/dx

2014-10-27 Calculus - Question:

You simply have to bring forward the index value of 10, and subsequently reduce it by 1:    f'(x)= 10 (x+5)^9   (shown)    Do note though you have to differentiate x+5 wrt x as well (although it gives

2014-10-26 Addiction to Drugs - substance abuse and loss of a family member help:

Hi Travis,    I am so pleased you reached out and contacted someone, but I feel a bit helpless as I am in Australia!  I really would like you to seek some professional help.  You have been through so much

2014-10-25 Calculus - Calculus:

To find the linear function, we need the slope.  Since the slope is the derivative, note that F'(x) = cos x + 1.  At x = pi/3, F'(x) = 0.5 + 1 = 1.5.    We also need to know f(pi/3) = root(3)/2 + pi/3

2014-10-24 Muslim Teens - shareah:

Bismillahir-Rahmanir-Rahim (In the Name of Allah, Most Gracious, Most Merciful)    Assalmalaikum    Dear Sister,    I am sorry but in these parties there will be everything which is not allowed to Islam

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