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Popular >

integral of 2r

Solution

\int 2 r d r

Solution

r^{2} + C

Solution steps

\int 2 r d r

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 2 \cdot \int r d r

Apply the Power Rule

: \frac{r ^{2}}{2}

= 2 \cdot \frac{r ^{2}}{2}

Simplify

2 \cdot \frac{r ^{2}}{2} : r^{2}

= r^{2}

Add a constant to the solution

= r^{2} + C

Popular Examples

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(\partial)/(\partial x)(7x+sqrt(y^4+1))

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Frequently Asked Questions (FAQ)

What is the integral of 2r ?
The integral of 2r is r^2+C