1.

If D is the midpoint of the side BC of a triangle ABC then bar(AB)^(2)+bar(AC)^(2)=

Answer»

`bar(AD)^(2)+bar(BD)^(2)`
`2(bar(AD)^(2)+bar(BD)^(2))`
`3(bar(AD)^(2)+bar(BD)^(2))`
`4(bar(AD)^(2)+bar(BD)^(2))`

Answer :B


Discussion

No Comment Found