Question

FIND THE DERIVATIVE OF FOLLOWING
Y= x cosx/(1+x^2)

Answer 1

Answer:

Step-by-step explanation:

Differentiate x and cosx/(1+$x^{2}$) separately

you will get Diff of x as 1 and second part as $\frac{-(1+x^{2})sinx - 2xcosx }{(1+x^{2} )^2}$

and then use dy/dx =udv+vdu