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Qn #841
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The function $f(x)=\frac{x}{1+x\tan x}$ , $0\leq x\leq\frac{\pi}{2}$ is maximum when
A.
$x=secx$
B.
$x=\tan x$
C.
$x=\cos x$
D.
None of these
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❓ Question: The function $f(x)=\frac{x}{1+x\tan x}$ , $0\leq x... | TANCET Group Studies | Tancet Group Studies