b2 - ac - bc + ab =
(a + b)(b - c)
(b - a)(b - c)
(a - b)(b + c)
(a - b)(b - c)
2 Likes
Given,
⇒ b2 - ac - bc + ab
⇒ b2 + ab - ac - bc
⇒ b(b + a) - c(a + b)
⇒ (a + b)(b - c).
Hence, option 1 is correct option.
Answered By
3 Likes
Factorise:
a4 - 11a2 + 10
5 - (3x2 - 2x)(6 - 3x2 + 2x)
The value of (1 + x)2(1 + y2) - (1 + x2)(1 + y)2 is:
2(x - y)(1 + xy)
(x - y)(1 - xy)
2(x - y)(1 - xy)
2(x + y)(1 - xy)
x4 - y4 = …………… (x - y)(x2 + y2)
0
1
x − y
x + y