A and B are two unit vector both are perpendicular to each other. Given thatvector x=vector b-vector(a×x) what is the magnitude of X vector ?
akash , 6 Years ago
Grade 12th pass
1 Answers
Prakriti Arora
Last Activity: 6 Years ago
|a|=1; |b|=1since a and b are perpwndicular to each other.. therefore a.b=0 =>|a||b|cos(theeta)=0 =>cos(theeta)=0 =>theeta=π\2now x=b-(aXx) =>|x|=|b|-|a||x|sin(π\2) =>|x|=1-|a||x| =>|x|+|a||x|=1 =>|x|[1+1]=1 =>|x|=1/2...ans
Provide a better Answer & Earn Cool Goodies
Enter text here...
LIVE ONLINE CLASSES
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Ask a Doubt
Get your questions answered by the expert for free