Question

sendo(a=2 e b=1) determine o valor numérico das expressoes:

y= a² +2ab + b²

Answer 1

y= 2^2 + 2.2.1 + 1^2

y= 4 + 4 + 1
y=9

Answer 2

.
$y=a^2+2ab+b^2 \\ \\ com~~a=2~~e~~b=1 \\ \\ y=2^2+2(2)(1)+1^2 \\ \\ y=4+4+1 \\ \\ y=9$