integrate (x^2 +1)^2 dx

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∫(x^2 + 1)^2 dx

=∫(x^4 + 2x^2 + 1) dx

∫(x^2 + 1)^2 dx=x^5/5 + 2/3.x^3 + x + c

by Level 3 User (4.0k points)

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