Home
Class 12
MATHS
[" 69.The vector "i+xj+3k" is rotated th...

[" 69.The vector "i+xj+3k" is rotated through an angle "theta" and doubled in magnitude,then "],[" becomes "4i+(4x-2)j+2k" .The value of "x" is "]

Promotional Banner

Similar Questions

Explore conceptually related problems

The vector hati+xhatj+3hatk is rotated through an angle theta and doubled in magnitude, then it becomes 4hati+(4x-2)hatj+2hatk . Then values of x are

The vector hati+xhatj+3hatk is rotated through an angle theta and doubled in magnitude, then it becomes 4hati+(4x-2)hatj+2hatk . Then values of x are (A) -2/3 (B) 1/3 (C) 2/3 (D) 2

The vector hati+xhatj+3hatk is rotated through an angle theta and doubled in magnitude, then it becomes 4hati+(4x-2)hatj+2hatk . Then values of x are (A) -2/3 (B) 1/3 (C) 2/3 (D) 2

The vector hati+xhatj+3hatk is rotated through an angle theta and doubled in magnitude then it becomes 4hati+(4x-2)hatj+2hatk . The values of x are

The vector hati+xhatj+3hatk is rotated through an angle theta and doubled in magnitude then it becomes 4hati+(4x-2)hatj+2hatk . The values of x are

The vector hati+xhatj+3hatk is rotated through an angle theta and doubled in magnitude then it becomes 4hati+(4x-2)hatj+2hatk . The values of x are