Question

Sum of a+b+C and -a+b-c is o
True or false

Answer 1

Answer:

false

Step-by-step explanation:

Answer 2

Answer:

false

Step-by-step explanation:

let a = 1 , b = 2 , c = 3

Case 1 : a + b + c = 1 + 2 + 3 = 6

Case 2 : - a + b - c = -1+2-3 = -1-1 = -2

Therefore , sum = 6 + (-2) = 6-2 = 4 ≠ 0

Hence proved !