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CBSE Class 11-science Answered

Why is minus X minus = plus.
Asked by Anumula Sandeep | 03 Aug, 2011, 01:54: AM
answered-by-expert Expert Answer
(-1)X(-1)=(-1)2
and square of any number is positive that is why minus X minus = plus
Answered by | 03 Aug, 2011, 03:12: AM

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CBSE 11-science - Maths
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