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Let (a, b) and (lambda,mu) be two points...

Let (a, b) and `(lambda,mu)` be two points on the curve y = f(x) . If the slope of the tangent to the curve at (x,y) be `phi(x)`, then `int_(a)^lambda phi(x) dx` is

A

`lambda-a`

B

`mu-b`

C

`lambda+mu-a-b`

D

none of these

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The correct Answer is:
B
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