Home
Class 11
MATHS
If bar(a) = 2bar(i)+5bar(j)+bar(k) and b...

If `bar(a) = 2bar(i)+5bar(j)+bar(k)` and `bar(b) = 4bar(i)+mbar(j)+nbar(k)` are collinear vectors then find m,n.

Text Solution

Verified by Experts

The correct Answer is:
m=10 and n=2
Promotional Banner

Topper's Solved these Questions

  • MODEL PAPER 12

    VGS PUBLICATION-BRILLIANT|Exercise Section -B (Short Answer Type Questions)|7 Videos
  • MODEL PAPER 12

    VGS PUBLICATION-BRILLIANT|Exercise Section -C (Long Answer Type Questions)|7 Videos
  • MODEL PAPER 11

    VGS PUBLICATION-BRILLIANT|Exercise SECTION - C (Long Answer type questions)|7 Videos
  • MODEL PAPER 2

    VGS PUBLICATION-BRILLIANT|Exercise SECTION -C (LONG ANSWER TYPE QUESTIONS)|7 Videos

Similar Questions

Explore conceptually related problems

If bar(a) = 2bar(i)+5bar(j)+bar(k), bar(b) = 4bar(i)+mbar(j)+nbar(k) are collinear vectors then find m and n.

IF bar(a)=2bar(i)+5bar(j)+bar(k),bar(b)=4bar(i)+mbar(j)+nbar(k) are collinear vectors then find m+n

If the vectors - 3 bar(i) + 4 bar(j) + lambda bar(k) and mu bar(i)+ 8 bar (j) + 6 bar(k) are collinear vectors, then find lambda and mu

If the vectors bar(a) = 2bar(i) -bar(j) + bar(k), bar(b) = bar(i) + 2bar(j)-3bar(k), bar(c ) = 3bar(i) + pbar(j) +5bar(k) are coplanar then find p.

If bar(a) = 2bar(i) - bar(j) + bar(k), and bar(b) = bar(i) - 3bar(j) - 5bar(k) then find |bar(a) xx bar(b)| .

If bar(a) = 2bar(i) - 3bar(j) + bar(k) and bar(b) = bar(i) + 4bar(j) -2bar(k) , then find (bar(a) + bar(b))xx(bar(a)-bar(b))

If bar(a) = bar(i) + 2bar(j) + 3bar(k), bar(b) = 3bar(i) +5bar(j) -bar(k) are 2 sides of a triangle, find its area.

If bar(a) = bar(i) - bar(j)-bar(k), bar(b) = 2bar(i) - 3bar(j) + bar(k) then find the projection vector of bar(b) on bar(a) and its magnitude.