-x square becomes +x?
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Posted by Sheikh Hisba 6 years, 10 months ago
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Ram Kushwah 6 years, 10 months ago
(-X)^2=(-X)*(-X)=X^2
As product of -ve number with -ve number is +ve
Hence square of -ve no. is +ve
square of imaginary numbers is negative only as i^2=-1
2Thank You