How does it equal to zero?
Could someone please explain?
Solved 2
#368
Posted: 2014-01-23, 13:46
(X - A) * (X - B) * (X - C) * ... * (X - Y) * (X - Z) equals 0 since (X - X) is zero
#402
Posted: 2014-01-29, 09:08
(x - a) * (x - b) * (x - c) * ... * (x - z) = (x - a) * (x - b) * (x - c) * ... * (x - x)*(x - y)*(x - z) = 0 BECAUSE x - x is 0
so answer is zero
so answer is zero
keep away from me
