Question

find the derivative of y=2x-pi/cos(pi)(x)
for some reason i get -2

Answer 1

\[y=\frac{ 2x-\pi }{ \cos \pi x}\]

Answer 2

Use the Q rule

Answer 3

I would suggest starting with the quotient rule.

Answer 4

\[\huge f'(x) = \frac{ g'(x)f(x) - g(x)f'(x) }{ g(x)^2 }\]

Answer 5

@satellite73

Answer 6

@shamil98 i did that and i got -2

Answer 7

-2 is not the answer

Answer 8

Question being now, did you do your derivatives right?

Answer 9

i dont know how to do this i am checking my review sheet answers

Answer 10

I got -2/x as an answer ლ(́◉◞౪◟◉‵ლ)