If the line x/a+y/b=1 passes through the...

If the line `x/a+y/b=1` passes through the points a `(2,- 3)` and `(4, - 5),` then `(a, b) =`

A

`(1,1)`

B

`(-1,1)`

C

`(1,-1)`

D

`(-1,-1)`

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The correct Answer is:

D

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