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Assertion (A) : Suppose f is differentiable on R such that 1le f'(x ) le2 for x in Rand that f(0 ) = 0 .Then x le f(x) le2x for all xge 0. Reason (R ) : f is an increasing function on R. Then

Answer»

Both A and R are trueand R is a correct EXPLANATION of A.
Both A and R are true and R is not a correct explanation of A.
A is false and R is true
A is true and R is false

Answer :B


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