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Popular >

integral of x^2+x+1

Solution

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

Solution

\frac{x ^{3}}{3} + \frac{x ^{2}}{2} + x + C

Solution steps

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

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

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

\int 1 d x = x

= \frac{x ^{3}}{3} + \frac{x ^{2}}{2} + x

Add a constant to the solution

= \frac{x ^{3}}{3} + \frac{x ^{2}}{2} + x + C

Graph

Popular Examples

(\partial)/(\partial x)((y+x)^2)

\frac{\partial}{\partial x} ((y + x)^{2})

(\partial)/(\partial x)(sin(x-y))

\frac{\partial}{\partial x} (sin (x - y))

derivative of y=ln((x+3)/(sqrt(x-1)))derivative of

y = ln (\frac{x + 3}{x - 1})

integral from 0 to 15 of w/((1+w)^{3/4)}

\int_{0}^{15} \frac{w}{( 1 + w ) ^{\frac{3}{4}}} d w

integral of x/(4+5x^2)

\int \frac{x}{4 + 5 x ^{2}} d x

Frequently Asked Questions (FAQ)

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