" (ख) सदिशों "hat imath-2hat jmath+3hat k" तथा "3hat imath-2hat jmath+hat k" के बीच का कोण ज्ञात कीजिए। "

The projection of hat i+3hat j+hat k on 2hat i-3hat j+6hat k is :

Find the angle between the vectors hat i-2hat j+3hat k and 3hat i-2hat j+hat k

Vectors vec A=hat i+hat j-2hat k and vec B=3hat i+3hat j-6hat k are

A point on the line hat r=2hat i+3hat j+4hat k+t(hat i+hat j+hat k) is

The lines vec r=(hat i+hat j+hat k)alpha+3hat k and vec r=(hat i-2hat j+hat k)beta+3hat k

If vec a=4hat i+3hat j+hat k and vec b=hat i-2hat k, then find |2hat bxvec a|

If 9 3hat i-2 hat j+ 2 hat k+ 2hat k).(2 hat i-x hat j+3 hat k) =- 12 , the value of (x) is .

A point on the line vec r=2hat i+3hat j+4hat k+t(hat i+hat j+hat k) is

Find the area of the parallelogram determined by the vectors: 2hat i and 3hat j2hat i+hat j+3hat k and hat i-hat j3hat i+hat j-2hat k and hat i-3hat j+4hat khat i-3hat j+hat k and hat i+hat j+hat k

Show that the points whose position vectors are as given below are collinear: 2hat i+hat j-hat k,3hat i-2hat j+hat k and hat i+4hat j-3hat k3hat i-2hat j+4hat k,hat i+hat j+hat k and -hat i+4hat j-2hat k