The lines r = (2 i + j - 3 k ) + ( t 6 )(2 i - j + k ) and r = ( i + k ) + t(4 i - j + k ) are perpendicular...

Question

The lines r = (2 i + j - 3 k ) + ( t 6 )(2 i - j + k ) and r = ( i + k ) + t(4 i - j + k ) are perpendicular to each other, then value of is

Accepted Answer

(B)

MHT CET Mathematics question