IF `  bar a  = hati  + hatj  + hatk  , bar b  = 2  hati  + lamda hatj +hatk  , bar c  = hati  - hatj
Channel: Doubtnut
Date: 24/05/2020

IF `  bar a  = hati  + hatj  + hatk  , bar b  = 2  hati  + lamda hatj +hatk  , bar c  = hati  - hatj  +4hatk  and bar a .(barb xxbarc)=10` then `lamda` is equal to