Question

integration of( x sin (1+x²) dx )​

Answer 1

Answer:

hlo dear

Explanation:

here u are

take 1+x²= t then do differentiation

thsn 2xdx= dt now

dx= dt/2x

put it in equation

then 2xsin(t)/2x dt

u will get ===(sint dt)/2

so ans is= - cos(1+x²)/2

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