Question

If p = sqrt(-1),then what is the value of ( 1 - p )^20 ???

Answer 1

Answer:

Here it is given that

(1-p)^20=[(1–p)^2]^10

Or

[1+ p^2 -2p]^10.

Putting value of p.

[1–1–2(-1)^1/2]^10

Or

[-2*(-1)^1/2]^10

Or

(-2)^10*(-1)^5

Or

-1024.

Ans= -1024.