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Use the substitution x=7tan( θ) to evaluate the indefinite integral?

+1 vote
Integral(21dx/((x^2 * sqrt(x^2+49))
asked May 11, 2013 in CALCULUS by abstain12 Apprentice

2 Answers

0 votes

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By using Substitution method

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Apply pythagorean identity image

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answered Jul 21, 2014 by david Expert
0 votes

Continuous ...

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Substitute image in equation (1).

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answered Jul 21, 2014 by david Expert

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