Question

find the product using identity​

Answer 1

Answer:

(a+b)²=a²+b²+2ab is identiti

Answer 2

Step-by-step explanation:

${(a + b)}^{3} = {a}^{2} + 2ab + {b}^{2}$

${(3a + 4b)}^{2} = {(3a)}^{2} + 2 \ \times 3a \times 4b + {(4b)}^{2}$

$= 9 {a}^{2} + 24ab + 16 {b}^{2}$