before route why we put plus minus sign
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for example 2×2=4,-2×-2=4.
hope it helps....
please mark me as brainiest answer.....
hope it helps....
please mark me as brainiest answer.....
akshay030:
i dont understand
i also
if we multiply a number twice we will get same answer and by put negative sign we will get same answer
like root of 4 is 2 and -2
2×2=4,-2×-2=4
so we take both the sign +and-
okkk
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