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The point (s) on the curve y^3+3x^2=12y ...

The point (s) on the curve `y^3+3x^2=12y` where line tangent is vertical , is (are)

A

a)`(+-4/sqrt3,-2)`

B

b)`(+-sqrt(11/3),1)`

C

c)(0,0)

D

d)`(+-4/sqrt3,2)`

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The correct Answer is:
D
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PATHFINDER-APPLICATION OF DERIVATIVE-QUESTION BANK
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