Question
Asked Dec 1, 2019
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Find the indefinite integral by making a change of variables:  

SHOW ALL THE STEPS BY STEPS(Including the formulas,equations etc)

2
dr
- x + 4x
te the integral:
I
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2 dr - x + 4x te the integral: I

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Expert Answer

Step 1

Given, indefinite integral

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2 -x2 + 4x

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Step 2

First, make the denominator to perfect square

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2 2 Vx24x-x2 + 4x - 4+ 4 2 (x- 4x+ 4)+2 2 :-(x-2)

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Step 3

Now, the integra...

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2 2 - (x-2) let us assume, x 2 = 2sint 22 +4x dx 2cost dt

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Tagged in

Math

Calculus