Substitute a=3 and b=2 in a^2+2 a b+b^2 - Vidyadip

Question

Substitute $a=3$ and $b=2$ in $a^2+2 a b+b^2$

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Answer

The given expression is: $a^2+2 a b+b^2$
Put $a=3, b=2$, we get
$a^2+2 a b+b^2=3^2+2 \times 3 \times 2+2^2$
$=9+2 \times 6+4$
$=9+12+4$
$=25$

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