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Indefinite integral problem?

Science & Mathematics by Anonymous 2018-06-02 11:02:31

Social Science

Indefinite integral problem?

1 answer

I need to integrate (x^3)/(sqrt(x^2+4)), but I need to do so using trigonometric substitution, and for this problem I'm not sure how to do that.

  • Anonymous

    (x^3)/(sqrt(x^2+4)) = xsqrt(x^2+4) - 4x/(sqrt(x^2+4)) and let u= x² + 4

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