Mathematics

Evaluate $$\displaystyle \int_{1}^{2}x^2 \ dx$$


SOLUTION
Consider, $$I=\displaystyle \int_{1}^{2}x^2 \ dx$$

$$I=\left[\dfrac{x^3}3\right]_1^2$$

$$I=\dfrac 83-\dfrac 13=\dfrac 73$$
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Subjective Medium Published on 17th 09, 2020
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