If fx-sin 2 x-A sin x-B cos x-x3 is countinous at x-0 then B-2 A-

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Strictly Increasing Functions

If fx=sin 2 x...

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If $f (x) = \frac{s i n 2 x + A s i n x + B c o s x}{x^{3}}$ is countinous at x=0 then B-2A= ___

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