Find 101 x 102 without actual multiplication.
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Answered by
1
Answer:
The answer is 10302
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Answered by
3
Answer:
(100+1)×(100+2)
(x+a) (x+b)= x² + (a+b)x +ab
(100)²+(1+2)100 +(1×2)
10000+300+2
10302
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