Let `L_(1)` and `L_(2)` denote the lines `vecr=veci+lamda(-hati+2hatj+2hatk),lamdainR`
Channel: Doubtnut
Date: 2020-08-30

Let `L_(1)` and `L_(2)` denote the lines `vecr=veci+lamda(-hati+2hatj+2hatk),lamdainR` and `vecr=mu(2hati-hatj+2hatk),muinR`  Respectively if `L_(3)` is a line which is perpendicular to both `L_(1)` and `L_(2)` and cuts both of them, then which of the following options describe(s) `L_(3)`?