1.

Line (1+lambda)x+(4-lambda)y+(2+lambda)=0 and (4-lambda)x-(1+lambda)y+(6-3lambda) =0 are concurrent at points A and B respectively and intersect at C then locus of centroid of DeltaABC " is " lambda is parameter

Answer»

`(x+3/2)^2+(y+7/10)^2=17/50`
`(x-3/2)^2+(y-7/10)^2=17/50`
`(x-3/2)^2+(y+7/10)^2=17/450`
`(x+3/2)^2+(y+7/10)^2=17/450`

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