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If the point (1,3) serves as the point o...

If the point (1,3) serves as the point of inflection of the curve `y = ax^3 + bx^2` then the value of `'a' and 'b'` are -

A

`a = 3//2` & `b = - 9//2`

B

`a = 3//2 ` & `b = 9//2`

C

`a = -3//2 ` & `b = -9//2`

D

`a = -3//2` & `b = 9//2`

Text Solution

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The correct Answer is:
D
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