Question

Answer of

D = {-2,2}












​

Answer 1

Answer:

(1) -2x(1-x2)sin (1-x2)2

(2) -4x(1-x2)sin (1-x2)2

(3) 4x(1-x2)sin (1-x2)2

(4) none of these

Solution:

Let y = cos (1-x2)2

dy/dx = – sin (1-x2)2×2(1-x2)×-2x

= 4x(1-x2)sin (1-x2)2

Hence option (3) is the answer.

Answer 2

Answer:

-2 is wright answer

Step-by-step explanation:

mark me