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Question

The slope of the tangent to the curve y=3x2+3sinx at x=0 is

A
3
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B
2
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C
1
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D
1
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Solution

The correct option is A 3
y=3x2+3sinx
dydx=6x+3cosx
Thus slope of tangent to the given curve at x=0 is
=dydxx=0=(6x+3cosx)x=0=6(0)+3cos0=0+31=3

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