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Asked Feb 28, 2019
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21 do
28. +1
(222)2
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21 do 28. +1 (222)2

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Expert Answer

Step 1

The integrand can be decomposed partially.

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Step 2

The values of A, B, C and D are obtained on comparing such that A=0, –2A+B=1, 2A-2B+C=0 and 2B+D=1. That is, the value of A is substituted in -2A+B=1 which gives B=1. Substituting both A and B in 2A-2B+C=0 gives C=2 and substituting B in 2B+D=1 gives –1. Thus, the partially decomposed integrand becomes

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Step 3

Obtain the integral...

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Calculus

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