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The point of intersection of the lines x...

The point of intersection of the lines `x/ay/b =1 and x/b +y/a =1` lines on the line

A

`x-y =0`

B

`(x+y) (a+b) =2ab`

C

`(lx+ my) (a+b) =(l+m) ab`

D

All of these

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The correct Answer is:
D
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