Question

(x-a)(x-b)......(x-y)(x-z)=?

Answer 1

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

The answer is zero because one by one all the alphabets are being subtracted from x...
Then, x will also be subtracted from x.
And the answer will be zero.
And when zero is multiplied by any number the answer is zero.....
Hope it helps....!!!