Q.

If a1=xi- j+k; a2= i+yj+zk are collinear vector, then a unit vector which is parallel to xi+yj+zk can be

see full answer

Start JEE / NEET / Foundation preparation at rupees 99/day !!

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya

a

13i-j+k

b

13i+j+k

c

12i-k

d

i+j-k3

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

a1=xi- j+k; a2= i+yj+zk are collinear then

x1=-1y=1z=λ say required unit vector parallel to given  vector λi¯-1λj¯+1λkλ2+1λ2+1λ2

for λ=1

13i-j+k

Watch 3-min video & get full concept clarity

tricks from toppers of Infinity Learn

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon