2ka square plus 4 hota or -2ka square be plus 4 hota ha -4 kyo nahe hota?? explain
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Hii friend,
FIRST YOU HAVE TO REMEMBER THESE RULES WHICH IS,
(+) × (+) = +
(-) × (-) = +
(+) × (-) = -
THEREFORE,
(+2)² = (+2) × (+2) = +4
And,
(-2)² = (-2) × (-2) =+4 [ because (-)×(-) = +]
SO ,
(-2)² = 4.
HOPE YOU GOT IT.... :-)
FIRST YOU HAVE TO REMEMBER THESE RULES WHICH IS,
(+) × (+) = +
(-) × (-) = +
(+) × (-) = -
THEREFORE,
(+2)² = (+2) × (+2) = +4
And,
(-2)² = (-2) × (-2) =+4 [ because (-)×(-) = +]
SO ,
(-2)² = 4.
HOPE YOU GOT IT.... :-)
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