The points on x+y=4 that lie at a unit d...

The points on `x+y=4` that lie at a unit distance from the line `4x+3y-10=0` are

A

`(3,1) ,(-7, 11)`

B

`(3,1) ,(7,11)`

C

`(-3,1),(-7,11) `

D

`(1,3),(-7, 11)`

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The correct Answer is:

A

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