Question

Simplify: (a+b+c)^2+(a-b+c)^2
The question is this only nothin is after or before it. Its from Class 9th RD Sharma so kindly answer! :D​

Answer 1

Please refer to the picture given below:

Answer 2

Answer:

2a² + 2b² + 2c² + 4ac is the answer

Step-by-step explanation:

a² + b² + c² + 2ab + 2bc +2ca + (a² + b² + c² - 2ab -2bc +2ac)

= a² + b² + c² + 2ab + 2bc +2ca + a² + b² + c² - 2ab -2bc +2ac

= 2a² + 2b² + 2c² + 4ac