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p,q,r are distinct cube roots of non-zer...

p,q,r are distinct cube roots of non-zero complex number z. Let `a,b,c` be complex numbers satisfying `ap+bq+crne0`. Then find the value of `((aq+br+cp)(ar+bp+cq))/((ap+bq+cr)^2)`.

A

1

B

-1

C

i

D

`-i`

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The correct Answer is:
A
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AAKASH SERIES-DEMOIVRE'S THEOREM-EXERCISE -II
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