Question

Diffrenciate

x sin nx

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Answer 1

Answer:xcosx+sinx

Explanation:

Here y=xsinx

Diff. w.r.t.x

d/dx=x*d/dx(sinx)+sinx*d/dx (x)....By Product rule {uv} d/dx(uv)=u*d/dxv+v*d/dxu

=xcosx+sinx*1

=xcisx+sinx

Answer 2

Answer:

according to me this should be the correct differentiation......