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Let y=sin(7x)y = \sin \left( 7 ^ { x } \right)

Question 55

Multiple Choice

Let y=sin(7x) y = \sin \left( 7 ^ { x } \right) Then dy is


A) 7xcos(7x) dx7 ^ { x } \cos \left( 7 ^ { x } \right) d x
B) cos(7x) ln7dx\cos \left( 7 ^ { x } \right) \ln 7 d x
C) 7xcos(7x) ln7dx7 ^ { x } \cos \left( 7 ^ { x } \right) \ln 7 d x
D) 7xcos(7x) ln7dx- 7 ^ { x } \cos \left( 7 ^ { x } \right) \ln 7 d x
E) cos(7x) ln7dx- \cos \left( 7 ^ { x } \right) \ln 7 d x

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