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CA Foundation doubt

In ques 6 why we not choose option b

Image attached to the doubt: In ques 6 why we not choose option b

Asked by Ayush22 Aug 2024370 views

2 answers

  1. Rashid · 22 Aug 2024

    As long as i can remember, the answer is √4. And square root of every number is +- Number.So if it was √36 will be +-6.But we simply write 6.Since the option is given in question you have to choose it.

  2. Tanisha · 22 Aug 2024

    Because we can use both 2 or -2 to get zero as the answer when we subtitute the value of p

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