Question

find y prime and double prime

Answer 1

Of?

Answer 2

\[y=x^2 cotx-1/x^2\]

Answer 3

cot x= 1/tan x = cosx/sinx, do you know derivative of sin and cos x and are you familiar with the product rule for differentiation

Answer 4

or u can memorize d/dx cotx = 1/sin^2

Answer 5

sorry -1/sin^2x

Answer 6

i thought we would be using \[cotx=\csc^2x\]

Answer 7

its -

Answer 8

let me check to be sure

Answer 9

yeah its -'ve

Answer 10

ok go ahead now use product rule