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 Find the derivative of the function y=ln(xx2+7)\text { Find the derivative of the function } y = \ln \left( x \sqrt { x ^ { 2 } + 7 } \right) \text {. }

Question 65

Multiple Choice

 Find the derivative of the function y=ln(xx2+7) \text { Find the derivative of the function } y = \ln \left( x \sqrt { x ^ { 2 } + 7 } \right) \text {. }


A) xx2+7ln(x) +1xln(x2+7) \frac { x } { \sqrt { x ^ { 2 } + 7 } } \ln ( x ) + \frac { 1 } { x } \ln \left( \sqrt { x ^ { 2 } + 7 } \right)
B) 1xx2+7\frac { 1 } { x \sqrt { x ^ { 2 } + 7 } }
C) 1x+1x2+7\frac { 1 } { x } + \frac { 1 } { \sqrt { x ^ { 2 } + 7 } }
D) 1x+xx2+7\frac { 1 } { x } + \frac { x } { x ^ { 2 } + 7 }
E) xx+x2+7\frac { x } { x + \sqrt { x ^ { 2 } + 7 } }

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