Identify a suitable substitution that will simplify the integral

MATHEMATICS · Subjective · AP · Calculus AB · Integration and Accumulation of Change · Integration and Accumulation of Change

Problem

Identify a suitable substitution that will simplify the integral ∫x31+x4 dx\displaystyle \int \frac{x^3}{1 + x^4}\,dx. Write only the substitution.

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