Using the formula for squaring a binomial, evaluate the following… - Vidyadip

Question

Using the formula for squaring a binomial, evaluate the following:
$(703)^2$

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Answer

Here, we will use the identity $(a+b)^2=a^2+2 a b+b^2$.
$(703)^2$
$=(700+3)^2$
$=(700)^2+2 \times 700 \times 3+3^2$
$=490000+4200+9$
$=494209$

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