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Find the derivative of 3x2+1x2...

Find the derivative of 3x2+1x2

A.

6x+2x2

B.

6x+12x

C.

6x2x3

D.

6x12x

Correct answer is C

y=3x2+1x2y=3x2+x2

dydx=6x2x3

= 6x2x3