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Q.

The equation $\sin x = k + \frac{1}{k} (k > 0)$ is

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a

possible for real values of $k$

b

impossible for real values of $k$

c

true if $k = 3$

d

true if $k = 1$

answer is B.

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Detailed Solution

$\sin x = k + \frac{1}{k} \geq 2$

impossible for any Value of k

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