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The equations of the sided of a triangle...

The equations of the sided of a triangle are `x+y-5=0,x-y+1=0,` and `x+y-sqrt(2)=0` is `(-oo,-4/3)uu(4/3,+oo)` `(-4/3,4/3)` (c) `(-3/4,4/3)` none of these

A

`(-oo, - (4)/(3))uu ((4)/(3) , oo)`

B

`(- (4)/(3), (4)/(3))`

C

`(- (3)/(4), (3)/(4)) `

D

none of these

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