Question

find the value of a2+2ab+3ab2when a=1 and b=1​

Answer 1

${a }^{2} + 2ab + 3a {b}^{2}$

${1}^{2} + 1 \times 1 \times 1 + 3 \times 1 \times {1}^{2}$

$1 + 1 + 3$

$5$