Did I do this right, is so did I get the right answer and if not, could you point out some things I did wrong? Thanks in advance. and and v= so...
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Assuming you were doing the integral of xsin(x). This is easy enough to check by differentiation: (-xcos(x) + sin(x) + C) ' = -cos(x) +xsin(x) +cos(x) = xsin(x)
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