Question

Evaluate 102*104 using (x+A) (x+B) identity​

Answer 1

102*104

=(100+2)(100+4)

=100^2 +4*100+2*100+2*4

=10000+400+200+8

=10000+608

=10608

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Answer 2

Answer:

10608

Step-by-step explanation:

$102*104\\=(100+2)(100+4)\\=(100)^2+(4+2)100+4*2\\=10000+600+8\\=10608$The identity used in the second step