Continuity and DifferentiabilityHard

Question

A function y = f(x) has 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 -

Options

A.(x + 1)3
B.(x + 1)2
C.(x - 1)2
D.(x - 1)3

Solution

-

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