Find the value of 95 x 102 by suitable identity.
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Answered by
6
Answer:
eleven thousand fourhundred is the value
Answered by
50
95×102 = (100-5)(100+2)
= 100² + (-5+2)100 + -5×2
= 10000 - 300 - 10 = 9690
I used the identity (x+a)(x+b) = x² + (a+b)x + ab
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