Integral x^2 sin 2x dx

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InTegraL
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turunan.... InTegraL
x²...................sin 2x
2x..................-1/2 cos 2x
2....................-1/4 sin 2x
0....................1/8 cos 2x

∫x² sin 2x dx
= x²(-1/2 cos 2x) - 2x(-1/4 sin 2x) + 2(1/8 cos 2x) + C
= -1/2 x² cos 2x + 1/2 x sin 2x + 1/4 cos 2x + C