Mathematics

Evaluate $$\displaystyle\int_{0}^{6}(x+2)\ dx$$


SOLUTION
Consider, $$I=\displaystyle\int_{0}^{6}x+2\ dx$$

$$=\left[\dfrac {x^2}2+2x\right]_0^6$$

$$\Rightarrow$$$$\dfrac{36}2+12=18+12=30$$
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Subjective Medium Published on 17th 09, 2020
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