Q514
ab(a - b) + bc(b - c) + ca(c - a) is equal to:
A.
(a - b)(b + c)(c - a)
B.
(a + b)(b - c)(c - a)
C.
(b - a)(b - c)(c - a)
AnswerD.
(a - b)(b - c)(c - a)
Answer: Option C
Solution
Answer: Option C
Solution:
ab(a - b) + bc(b - c) + ca(c - a)Let c = 0
ab(a - b)
Now from option C
(b - a)(b - c)(c - a)
= -(a-b)b(-a)
= ab(a - b)