(a+b)2 + (b+c)2 =
1.a2 + 2b2 + 2ab + c2 + 2bc
2.a2 + b2 + c2 + 2ab + 2bc
3.a2 - b2 + c2 + 2ab + 2bc
4.2a2 + 2b2 + 2c2 + ab + bc
Answer:1
Posted Date:-2021-09-20 02:45:14