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Evaluate the Integral in Terms of Natural Logarithms 47dxx29\int _ { 4 } ^ { 7 } \frac { d x } { \sqrt { x ^ { 2 } - 9 } }

Question 77

Multiple Choice

Evaluate the integral in terms of natural logarithms.
- 47dxx29\int _ { 4 } ^ { 7 } \frac { d x } { \sqrt { x ^ { 2 } - 9 } }


A) ln(7+4023) 1\ln \left( \frac { 7 + \sqrt { 40 } } { 23 } \right) - 1
B) 12ln(404+7) \frac { 1 } { 2 } \ln \left( \frac { \sqrt { 40 } } { 4 + \sqrt { 7 } } \right)
C) ln4\ln 4
D) ln(7+404+7) \ln \left( \frac { 7 + \sqrt { 40 } } { 4 + \sqrt { 7 } } \right)

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