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The point of intersection of the lines x...

The point of intersection of the lines `x/a + y/b = 1` and `x/b + y/a = 1` does not lie on the line

A

`x- y = 0`

B

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

C

`(2x + 3y)(a + b) = 5ab`

D

`(2x + 3y)(a + b) = -ab`

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