Question

Expand the following Identities.
a)
(a + b)2
+
2.
b)
(a - b) 2
c)
a2-b2
d) (x + a) (x +b)
e)
(a + b + c)2​

Answer 1

Answer:

a) a2+b2+2ab

b) a2+b2-2ab

c)x2(a+b) x+ab

d) a2+b2+c2+2ab+2bc+2ca