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Let `L_(1)` and `L_(2)` denote the lines `vecr=veci+lamda(-hati+2hatj+2hatk),lamdainR`
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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)`?