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Let f(x) = (x)/(sqrt(a^(2) + x^(2)))- (d...

Let `f(x) = (x)/(sqrt(a^(2) + x^(2)))- (d-x)/(sqrt(b^(2) + (d-x)^(2))), x in R`, where a, b and d are non-zero real constants. Then,

A

f is a decreasing function of x

B

f is neither increasing nor decreasing function of x

C

f' is not a continuous function of x

D

f is an increasing function of x

Text Solution

Verified by Experts

The correct Answer is:
D
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