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Mathematics 9 Online
OpenStudy (anonymous):

Find the integral of dx/(1+4x^2).

OpenStudy (anonymous):

Just tell me what's u for u-substitution.

ganeshie8 (ganeshie8):

u = 2x

OpenStudy (anonymous):

Okay, thanks.

ganeshie8 (ganeshie8):

u wlc :)

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