Question

(f.
Complete the following identities:-
(i) a2+2ab+b2=(................)2
(ii) (
a2- 2ab+b2= ...............2
(iii) 92-b2= .........................)
(iv) x2+(a+b)x+ab=(......................
)​

Answer 1

Answer:

1) ( a+b) ²

2) (a-b) ²

from next I couldn't understand what you have texted

Answer 2

Answer:

I)

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

II)

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

III)

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

IV)

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