Question

aye!!

answer this please ^^

Answer 1

Hey !!!

cos(3x - 5 ) ²

Using chain rule

=> 1st of all defferentiate 3x - 5

dy/dx = 3x - 5

dy/dx = d(3x - 5)/dx

dy/dx = 3 ----1)

after that differentiate

(3x - 5) ²

dy/dx = d(3x - 5)² /dx

dy/dx = 2(3x - 5) -----2)

lastly differentiate

cos ( 3x - 5) ²

dy/dx = dcos(3x - 5)²/dx

dy/dx = - sin(3x - 5)²

d/dx = -sin(3x -5)²

from equation 1st and 2nd and 3rd
.
= 3 × 2( 3x - 5) -sin(3x - 5)²

Answer = -6sin(3x-5) (3x - 5)²

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Hope it helps you !!!

@Rajukumar111