1.

DeltaABC is an equilateral triangle. Its side is l. Any point P lies on the circum centre of DeltaABC. Then |bar(PA)|^(2)+|bar(PB)|^(2)+|bar(PC)|^(2) = …………….

Answer»

`2l^(2)`
`2sqrt(3)L^(2)`
`l^(2)`
`3L^(2)`

Answer :A


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