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If z=x-iy and z1/3=p+iq, then 1/p2+q2​​​​​​​(x/p+y/q) is equal to

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If z=x-iy and z1/3=p+iq, then 1/p2+q2(x/p+y/q) is equal to

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Solution: It will be -2

Explanation:

(x/p+y/q)/p2+q2

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if p=x/x+y,q=y/x+y then find 1/p-q - 2q/p2-q2
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