Answers

2015-12-11T15:03:26+05:30
(a+b) 2=a2+2ab+b2
(a-b) 2=a2-2ab+b2
0
2015-12-11T16:06:49+05:30
(a+b) 2= a2+2ab+b2
(a-b) 2= a2-2ab+b2
0