1.

Unit vector coplanar with bari+barj+2bark,bari+2barj+bark and perpendicular to bari+barj+bark is

Answer»

`(bari+bark)/(SQRT2)`
`(bari-bark)/(sqrt2)`
`(bari+bark)/(sqrt2)`
`(barj-bark)/(sqrt2)`

ANSWER :D


Discussion

No Comment Found