The function f(x)=(lambdasinx+2cosx)/(si...

The function `f(x)=(lambdasinx+2cosx)/(sinx+cosx)` is increasing, if

A

(a) `lambda<1`

B

(b) `lambda>1`

C

(c) `lambda<2`

D

(d) `lambda>2`

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The correct Answer is:

D

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