Question: Given: f ( x ) = ( 6 x + 2 ) s i n ( x ) , find the first derivative of this

Given: f(x)=(6x+2)sin(x), find the first derivative of this function.
f'(x)=(6x+2)sin(x)[cos(x)ln(6x+2)+6sin(x)6x+2]
f'(x)=(6x+2)cos(x)[cos(x)ln(6x+2)+6sin(x)6x+2]
f'(x)=(6x+2)sin(x)[cos(x)ln(6x+2)+sin(x)6x+2]
f'(x)=(6x+2)sin(x)[cos(x)ln(6x+2)-6sin(x)6x+2]
f'(x)=(6x+2)sin(x)[cos(x)+66x+2]
None of the above.
 Given: f(x)=(6x+2)sin(x), find the first derivative of this function. f'(x)=(6x+2)sin(x)[cos(x)ln(6x+2)+6sin(x)6x+2] f'(x)=(6x+2)cos(x)[cos(x)ln(6x+2)+6sin(x)6x+2]

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