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प्रश्न
Square of `((-2)/3)` is ______.
पर्याय
`(-2)/3`
`2/3`
`(-4)/9`
`4/9`
MCQ
रिकाम्या जागा भरा
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उत्तर
Square of `((-2)/3)` is `bb(underline(4/9))`.
Explanation:
Square of `(-2)/3` is `((-2)/3)^2`
So, `((-2)/3)^2 = ((-2)/3) xx ((-2)/3) = 4/9` ...[∵ Multiplication of two rational numbers with same sign is always positive]
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