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If x= Sigma(n=0)^(oo) a^(n), y= Sigma(n=...

If `x= Sigma_(n=0)^(oo) a^(n), y= Sigma_(n=0)^(oo) b^(n), z= Sigma_(n=0)^(oo) (ab)^(n)` where `a lt 1, b lt 1` then

A

`xy+ xz = yz + x`

B

`xyz = x+y+z`

C

`xy + yz= xz+y`

D

`yz+ zx = xy + z`

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The correct Answer is:
D
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