why there is no answer when negative value is being square root?(adsbygoogle = window.adsbygoogle || []).push({});

e.g: square root of -9

when i try to find answer from calculator, ''math error '' appears..

so is there an explanation for this question??

this question may looks so weird..but i m juz asking out of curiousity..

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# Why there is no answer when negative value is being square root?

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