Mathematics
The sum of a - b + ab, b - c + bc and c - a + ca is:
0
2(a + b + c)
ab + bc + ca
none of these
Related Questions
(x3 - 5x2 + 7)+ (3x2 + 5x - 2)+ (2x3 - x + 7) is equal to:
3x3 - 2x2 + 4x + 12
3x3 + 2x2 - 4x + 12
3x3 - 2x2 - 4x - 12
3x3 + 2x2 + 4x + 12
(x3 - 5x2 + 3x + 2) - (6x2 - 4x3 + 3x + 5) is equal to:
5x3 + 11x2 - 2
5x3 - 11x2 + 3
5x3 - 11x2 - 3
5x3 + 11x2 + 3
p - (p - q) - q - (q - p) is equal to:
q - p
p - q
p + q
2p - q
(ab - bc) - (ca - bc) + (ca - ab) is:
bc - ab
ab - ca
2(ab - bc - ca)
0