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Popular Calculus >

integral of 4x^2+1

Solution

\int 4 x^{2} + 1 d x

Solution

\frac{4 x ^{3}}{3} + x + C

Solution steps

\int 4 x^{2} + 1 d x

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int 4 x^{2} d x + \int 1 d x

\int 4 x^{2} d x = \frac{4 x ^{3}}{3}

\int 1 d x = x

= \frac{4 x ^{3}}{3} + x

Add a constant to the solution

= \frac{4 x ^{3}}{3} + x + C

Graph

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Frequently Asked Questions (FAQ)

What is the integral of 4x^2+1 ?
The integral of 4x^2+1 is (4x^3)/3+x+C