If bara = bari+2barj+3bark, barb = -bari...

If `bara = bari+2barj+3bark, barb = -bari+2barj+bark, barc =3bari +barj and bara+tbarb ` is perpendicular to `barc`,then t =

A

5

B

4

C

3

D

2

Text Solution

Verified by Experts

The correct Answer is:

A

Topper's Solved these Questions

DOT PRODUCT OF TWO VECTORS
AAKASH SERIES|Exercise EXERCISE - II|71 Videos
DOT PRODUCT OF TWO VECTORS
AAKASH SERIES|Exercise PRACTICE EXERCISE|57 Videos
DOT PRODUCT OF TWO VECTORS
AAKASH SERIES|Exercise ADDITIONAL EXERCISE|21 Videos
DIRECTION COSINES AND RATIOS
AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTIONS|8 Videos
ERRORS AND APPROXIMATIONS
AAKASH SERIES|Exercise ADVANCED SUBJECTIVE TYPE QUESTION|15 Videos

Similar Questions

Explore conceptually related problems

If bara = -bari+2barj+3bark, barb = bari -2barj+bark, barc = 4bari-3barj-2bark and bara +lambda barb " is perpendicular to " barc, " then " lambda =

Let bara = bari + 2barj+ 3bark , barb = -bari + 2barj+bark. " If " barc = 3bari +barj+tbark is perpendicular to (bara+barb) , then find t.

If bara = bari - 2barj - 3bark , barb= 2bari + barj - bark , barc = bari + 3barj - 2bark find bara xx (barb xx barc) .

If bara= bari-2barj-3bark, barb= 2bari+barj-bark, barc= bari+3barj-2bark , find bara xx (barb xx barc) .

If bara=bari+2barj+3bark, barb= -bari+2barj+bark, barc=3bari+barj and bard is a vector normal to both bara and barb then cos(barc, bard)=

If bara = bari - 2barj - 3bark, barb = 2bari + barj - bark , barc = bari + 3barj - 2bark then find bar(a) xx (barb xx barc) and |(barb xx barc) xx barc | .

If bara =bari -2barj-3bark,barb =2bari + barj-bark, barc = bari +3barj-2bark and baraxx(barbxxbarc)=pbari+1barj+rbark then p+q+r=

Let bara =4bari+5barj-bark, barb = bari - 4barj+5bark and c= 3bari +barj-bark . Find the vector which is perpendicular to both bara and barb whose magnitude is twenty one times the magnitude of barc .

If bara= 2bari+barj-3bark, barb = bari-2barj+bark, barc = -bari+barj-4bark" and "bard=bari+barj+bark , then compute |(bara xx barb)xx (barc xx bard)| .

AAKASH SERIES-DOT PRODUCT OF TWO VECTORS-EXERCISE - I

If bara,barb,barc are three vectors such that absbara =1, absbarb = ...
Text Solution
|
If bara = 3bari - 4barj +5bark, barb = 2bari+3barj-bark ," then the an...
Text Solution
|
If bara =-bari+barj+2bark, barb =2bari +barj-bark, barc =-2bari+barj+3...
Text Solution
|
The acute angle made by the line joining the points (1, -3 ,2) and (3,...
Text Solution
|
If bara = bari+2barj+3bark, barb = -bari+2barj+bark, barc =3bari +barj...
Text Solution
|
If the vectors bari -2xbarj-3ybark and bari +3xbarj+2ybark are orthogo...
Text Solution
|
If bara=bari+barj+tbark, barb=bari+2barj+3bark, then the value of 't' ...
Text Solution
|
If the vectors bara =bari - barj + 2bark, barb =2bari+4barj+bark and b...
Text Solution
|
If bara,barb, bara+barb " are unit vectors, then " (bara,barb)=
Text Solution
|
If three unit vectors bara,barb,barc " satisfy " bara+barb+barc =bar0 ...
Text Solution
|
The orthogonal projection vector of bara = 2bari + 3barj+3bark " on "...
Text Solution
|
The length of projection of bari -2barj+2bark on X-axis is
Text Solution
|
If bara = bari -barj-bark, barb = lambdabari-3barj+bark " and the or-t...
Text Solution
|
The component vector of 4bari-4barj-7bark " perpendicular to " bari-2b...
Text Solution
|
The vectors equation of the plane which is per-pendicular to 2bari -3b...
Text Solution
|
Equation of a plane passing through the point A (3,-2,1) and perpendic...
Text Solution
|
Perpendicular distance from origin to the plane barr.barm = bara.barm ...
Text Solution
|
Find the angle between the planes 2x - 3y - 6z =5 and 6x+2y-9z = 4
Text Solution
|
The two planes 2x+6y +10z-14=0,x+3y+5z+8=0 are
Text Solution
|
If theta is the angle between a line barr = bara+tbarb " and a plane "...
Text Solution
|