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A function y=f(x) has a second order der...

A function `y=f(x)` has a second order derivative `f"(x)=6(x-1)`. If its graph passes through the point `(2,1)` and at that point the tangent to the graph is `y=3x-5` then the function is

A

`(x + 1)^(3)`

B

`(x-1)^(3)`

C

`(x-1)^(2)`

D

`(x +1)^(2)`

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The correct Answer is:
B
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