using identities find.103×97
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2
1772543 is the answer
nikkimalviya007:
its wrong
Answered by
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103X97
=(100+3) X (100-3)
=(a+b) x (a-b)
=a^2-b^2
=a=100 and b=3
so, (100)^2-(3)^2
=10000-9
=9991
ans. 103X97=9991
thanks
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