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General Solution of sin theta = sin alpha

If y=x sin lo...

Question

If y=x sin(logx)+xlogx,then $x^{2} \frac{d^{2} y}{d x^{2}} - x \frac{d y}{d x} + 2 y$ =

A

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B

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C

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D

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Solution

The correct option is B

$y_{1} = s i n (l o g x) + x c o s (l o g x) + l o g (x + 1)$
$y_{2} = \frac{c o s (l o g x)}{x} - \frac{s i n (l o g x)}{x} + \frac{1}{x}$

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General Solution of sin theta = sin alpha

Standard XII Mathematics

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