How do you integrate $2 x sin (x) d x$ $2xsin(x)dx$ ?

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How do you integrate $2 x sin (x) d x$ $2xsin(x)dx$ ?

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Answer 1 · 2015-04-22T20:20:27

I would use integration by Parts:
$\int 2 x sin (x) d x = 2 [- x cos (x) + \int 1 \cdot cos (x) d x] = - 2 x cos (x) + 2 sin (x) + c$ $int2xsin(x)dx=2[-xcos(x)+int1*cos(x)dx]=-2xcos(x)+2sin(x) +c$

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How do you integrate $2 x sin (x) d x$ $2xsin(x)dx$ ?

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How do you integrate $2 x sin (x) d x$ $2xsin(x)dx$ ?