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"If "x=a+(a)/(r)+(a)/(r^(2))+...oo,y=b-(...

`"If "x=a+(a)/(r)+(a)/(r^(2))+...oo,y=b-(b)/(r)+(b)/(r^(2))-...oo,"and "z=c+(c)/(r^(2))+(c)/(r^(4))+...oo," then prove that "(xy)/(z)=(ab)/(c).`

A

`(ab)/(c)`

B

`(ac)/(b)`

C

`(bc)/(a)`

D

None of these

Text Solution

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The correct Answer is:
A
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Knowledge Check

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