NCERT Example 22 - Integrals

Question: Find (i) int e^x (tan^{-1} x + 1/(1 + x^2)) dx (ii) int (x^2 + 1) e^x /(x + 1)^2 dx.

Answer: (i) e^x tan^{-1} x + C; (ii) e^x (x - 1)/(x + 1) + C.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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