Posted by
**annie** on
.

Please help!

∫17dx/x^2(sqrt(x^2+49)) .. let x=7tan(θ).

thank you so much for your help!

Saturday

March 25, 2017
Posted by
**annie** on
.

Please help!

∫17dx/x^2(sqrt(x^2+49)) .. let x=7tan(θ).

thank you so much for your help!

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