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Integral of 9x59 x^{5}

The integral of 9x59 x^{5} is 9x66+C\frac{9 x^{6}}{6} + C.

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Graph of f(x) = 9 * x^5 with the area from 0 to 1 shaded-0.4-0.20.20.40.60.811.21.41.620406080f(x)
Graph of f(x) = 9 * x^5 with the area from 0 to 1 shaded. The shaded area equals the definite integral, about 1.5.

How to work it out

  1. 1

    We want an antiderivative of f(x) = 9 * x5x^{5}.

    āˆ«9x5ā€‰dx\int 9 x^{5}\,dx
  2. 2

    Method: constant multiple and power rule.

  3. 3

    That gives the antiderivative; add the constant C because any constant disappears when you differentiate:

    āˆ«9x5ā€‰dx=9x66+C\int 9 x^{5}\,dx = \frac{9 x^{6}}{6} + C
  4. 4

    Check by differentiating the answer; you must get the original function back:

    ddx[9x66]=324x536\frac{d}{dx}\left[\frac{9 x^{6}}{6}\right] = \frac{324 x^{5}}{36}
  5. 5

    As a definite integral, evaluate the antiderivative at both ends and subtract. Between 0 and 1:

    āˆ«019x5ā€‰dx=[9x66]01ā‰ˆ1.5\int_{0}^{1} 9 x^{5}\,dx = \Big[\frac{9 x^{6}}{6}\Big]_{0}^{1} \approx 1.5
LaTeX source of the formulas on this page
\[ \int 9 x^{5}\,dx = \frac{9 x^{6}}{6} + C \]
\[ \int 9 x^{5}\,dx \]
\[ \frac{d}{dx}\left[\frac{9 x^{6}}{6}\right] = \frac{324 x^{5}}{36} \]
\[ \int_{0}^{1} 9 x^{5}\,dx = \Big[\frac{9 x^{6}}{6}\Big]_{0}^{1} \approx 1.5 \]

Definite integrals of the same function

IntervalValue
from 0 to 11.5
from 0 to 0.50.0234375

Questions

What is the integral of 9 * x5x^{5}?

The integral of 9x59 x^{5} is 9x66+C\frac{9 x^{6}}{6} + C.

Why do we add + C?

Every function F(x) + C has the same derivative, so the antiderivative is only defined up to a constant.

What is the integral of 9 * x5x^{5} from 0 to 1?

About 1.5.

More integrals

    Integral of 9 * x^5: 9 * x^6 / 6 + C (with steps) | WordGPT