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Popular >

integral from 4 to 7 of (x-5)^2

Solution

\int_{4}^{7} (x - 5)^{2} d x

Solution

3

Solution steps

\int_{4}^{7} (x - 5)^{2} d x

Expand

(x - 5)^{2} : x^{2} - 10 x + 25

= \int_{4}^{7} x^{2} - 10 x + 25 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}^{7} x^{2} d x - \int_{4}^{7} 10 x d x + \int_{4}^{7} 25 d x

\int_{4}^{7} x^{2} d x = 93

\int_{4}^{7} 10 x d x = 165

\int_{4}^{7} 25 d x = 75

= 93 - 165 + 75

Simplify

= 3

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Frequently Asked Questions (FAQ)

What is the integral from 4 to 7 of (x-5)^2 ?
The integral from 4 to 7 of (x-5)^2 is 3