Mathematics

Evaluate the following definite integral:$\displaystyle \int _2^3 x^2+2x+5 dx$

SOLUTION

Consider, $I=\displaystyle \int _2^3 x^2+2x+5 dx$

$I=\left.\dfrac{x^3}3 +x^2+5x\right|_2^3$

$I=9+9+15-\dfrac 83-4-10$

$I=19-\dfrac 83=\dfrac {49}3$

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Subjective Medium Published on 17th 09, 2020
Questions 203525
Subjects 9
Chapters 126
Enrolled Students 84

Realted Questions

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$\int { \cfrac { dx }{ \sqrt { { \left( x-3 \right) }^{ 2 }-1 } } } =$?
• A. $\log { \left| x+\sqrt { { x }^{ 2 }-6x+8 } \right| } +C$
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• C. none of these
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1 Verified Answer | Published on 17th 09, 2020

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1 Verified Answer | Published on 17th 09, 2020

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Q5 Single Correct Medium
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