Using suitable identities, evaluate the following. (103)^2 - Vidyadip

Question

Using suitable identities, evaluate the following. $(103)^2$

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Answer

$ (103)^2 $
$ =(100+3)^2 $
$ =(100)^2+3^2+2 \times 100 \times 3 $
$= 10000 + 9 + 600$
$= 10609$

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