Asked by mock

1. If f(x) = ln(1 - 2x), then find f '(x)

2. If f(x) = 7x6cos-1x, find f '(x)
Answered by Damon
1. If f(x) = ln(1 - 2x), then find f '(x)

f' = [ 1/(1-2x) ]( -2)

= -2/(1-2x) = 2/(2x-1)

I do not understand your second function
Answered by mock
@damon the 6 and -1 are exponents so
7x^6 and cos^-1
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