Home
Class 12
MATHS
IF ABCD is a parallelogram,bar(AB)=2hat...

IF ABCD is a parallelogram,`bar(AB)=2hati+4hatj-5hatk`and `bar(AD)=hati+2hatj+3hatk`,then the unit vector In the direction of BD Is

A

a)`1/sqrt69(hati+2hatj-8hatk)`

B

b)`1/69(hati+2hatj-8hatk)`

C

c)`1/sqrt69(-hati-2hatj+8hatk)`

D

d)`1/69(-hati-2hatj+8hatk)`

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

If bara=2hati+5hatj and barb=2hati-hatj ,then the unit vector along bara+barb will be

Find a unit vector in the direction of the vector 3hati +4hatj

If bara=hati-hatj and bar b=-2hati+mhatj are two collinear vectors,then m=

The vector bar(AB)=3hati+4hatk and bar(AC)=5hati-2hatj+4hatk are the sides of a triangle ABC. The length of the median through A is

If oversetrarrA = 2hati + hatj - hatk and oversetrarrB = hati + hatj -hatk , determine the unit vector parallel to oversetrarrA xx oversetrarrB .

If the position vectors of the points A and B are hati+3hatj-hatk and 3hati-hatj-3hatk, then what will be the position vectors of the mid point of AB

If vecA =5hati +6hatj+4hatk and vecB =2hati-2hatj+3hatk , determine the angle between vecA and vecB

If 3hati-2hatj+5hatk and -2hati+phatj-qhatk are collinear vectors,then

Show that vectors veca= 2hati+5hatj-6hatk and vecb=hati+5/2 hatj -3hatk are parallel.

IF ABCD is a parallelogram and the position vectors of A,B,C are hati+3hatj+5hatk , hati+hatj+hatk and 7hati+7hatj+7hatk ,then the position vector of D will be