Question

If 1,a1,a2......An-1are n roots of unity , then the value of (1-a1)(1-a2).....(1-an-1) is

Answer 1

Answer

0

Step-by-step explanation:

(x-1)(x-a1)..........(x-an)=1=unity

(x-a1)..........(x-an)=1/(x-1)

put x=1

than you get infinity