Monday 19 May 2014

DIFFERENCE OF 2 SQUARES 1



Evaluate 88572 – 88472

Solution

88572 – 88472 = (8857 + 8847)( 8857 – 8847)

                     = (17704)( 10)

                     = 177040

Hence 88572 – 88472 = 177040.


TRY THIS…………………

Evaluate 67242 – 67142

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