Question

z×(z^2)^-4 is ?

(A) Z^-7
(B) Z^-8
(C) Z^7
(D) Z^8 ​

Answer 1

Answer:

The correct answer is z-¹² or 1/z¹²

z×(z²)-⁴ = (z³)-⁴

= z-¹²

= 1/z¹²

I think all given options are wrong.

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