Multiple Choice Questions on The value of radic 4 times radic 25 is ........ for NDA Exam Preparation

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Multiple Choice Questions

The value of radic 4 times radic 25 is ........

Mathematics (NDA) Complex Numbers
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    The value of (√-4 ×√-25) is?

    10

    Incorrect Answer

    -10

    Correct Answer

    -5

    Incorrect Answer

    5

    Incorrect Answer
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    Explanation:

    (√-4 ×√-25)

    = (2i)(5i)

    =10 i2

    = -10

    By: bhavesh kumar singh
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