Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Consider a set ‘A’ of vectors `xhati + yhatj + zhatk` where x,y,z `in ` {1,2,3}. Three vector are selected at random from set A. If the probability that they are mutually perpendicular is p, then- - Sarthaks eConnect

Consider a set ‘A’ of vectors `xhati + yhatj + zhatk` where x,y,z `in ` {1,2,3}. Three vector are selected at random from set A. If the probability that they are mutually perpendicular is p, then-

`p<1/27`

`p in (1/27,1/9)`

`p in (1/9,1/3)`

`p in (1/3,1)`