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If the function f(x) = x^(3) – 6ax^(2) +...

If the function `f(x) = x^(3) – 6ax^(2) + 5x` satisfies the conditions of Lagrange’s mean theorem for the interval [1, 2] and the tangent to the curve `y = f(x)` at `x = 7//4` is parallel to the chord joining the points of intersection of the curve with the ordinates `x = 1` and `x = 2`. Then the value of a is

A

`35/16`

B

`35/48`

C

`7/16`

D

`5/16`

Text Solution

Verified by Experts

The correct Answer is:
B
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TARGET PUBLICATION-APPLICATIONS OF DERIVATIVES-COMPETITIVE THINKING
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