Question

a chalange to evrry one if (x-a) (x-b) = x^2-bx -ax +ab then (x-a)(x-b)............(x-z)=????challenge to all of you !!!!​

Answer 1

(x-a)(x-b).....(x-z)

=(x-a)(x-b)(x-c).......(x-w)(x-x)(x-y)(x-z)

=(x-a)(x-b).......(x-w)0(x-y)(x-z)

=0