Question

xty
2
6 2
(ii)
HE
5 8
5+2 xy​

Answer 1

Answer:

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

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