Using suitable identity, evaluate the followi | vedclass

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Question

$101 	imes 102=(100+1)(100+2)$

Now, using identify $(x+a)(x+b)=x^{2}+(a+b) x+a b,$ we have

$(100+1)(100+2)=(100)^{2}+(1+2) 100+(1)(2)$

$=100

Vedclass · Accepted Answer

$10302$

Vedclass · Answer

$101 	imes 102=(100+1)(100+2)$

Now, using identify $(x+a)(x+b)=x^{2}+(a+b) x+a b,$ we have

$(100+1)(100+2)=(100)^{2}+(1+2) 100+(1)(2)$

$=10000+(3) 100+2=10000+300+2$

$=10302$

Using suitable identity, evaluate the following:

$101 \times 102$

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Using suitable identity, evaluate the following: $101 \times 102$