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Empty Set

If B = y | ...

Question

If $B = {y | y^{2} = 36}$ then the set $B$ is a ______ set.

Empty

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Singleton

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Infinite

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None of the above

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Solution

The correct option is D None of the above
Since, $y^{2} = 36$
$⟹ y = \pm 6$
Thus, there two values of y, such that $y^{2} = 36$
Thus, B is not a singleton set.

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