Home
Class 12
MATHS
If bar(a) = 2bar(i)+5bar(j)+bar(k), bar(...

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.

Promotional Banner

Topper's Solved these Questions

  • IPE:MARCH-2017 [TS]

    SRISIRI PUBLICATION|Exercise SECTION-C|5 Videos

  • IPE:MARCH-2017[AP]

    SRISIRI PUBLICATION|Exercise Section-C (III. Answer any five of the following LAQs:)|7 Videos

Similar Questions

Explore conceptually related problems

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.

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 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 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 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) = 2bar(i) - 3bar(j) + 5bar(k), bar(b) = -bar(i) + 4bar(j) + 2bar(k) then find bar(a) xx bar(b) and unit vector perpendicular to both bar(a), bar(b) [-26bar(i) - 9bar(j) + 5bar(k), +- 1/(sqrt(782))26bar(i)+9bar(j)-5bar(k)) .

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) = 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.

SRISIRI PUBLICATION-IPE:MARCH-2017(TS)-QUESTIONS
  1. IF A=[{:(3,2,-1),(2,-2,0),(1,3,1):}]B=[{:(-3,-1,0),(2,1,3),(4,-1,2):}]...

    Text Solution

    |

  2. IF A=[{:(-1,2),(0,1):}] then find AA'.

    Text Solution

    |

  3. If bar(a) = 2bar(i)+5bar(j)+bar(k), bar(b) = 4bar(i)+mbar(j)+nbar(k) a...

    Text Solution

    |

  4. Find the vector equation of the line passing through the point 2overli...

    Text Solution

    |

  5. Find the angle between the vectors overlinei+2overlinej+3overlinek and...

    Text Solution

    |

  6. IF sin theta=4/5 and theta is not in the first quadrant, find the valu...

    Text Solution

    |

  7. Prove that cos48^@.cos12^@=(3+sqrt5)/8.

    Text Solution

    |

  8. IF coshx=5//2, then find the value of (i) cosh(2x) and (ii) sinh(2x)

    Text Solution

    |

  9. Show that |{:(1,a,a^2),(1,b,b^2),(1,c,c^2):}|=(a-b)(b-c)(c-a)

    Text Solution

    |

  10. IF overlinea,overlineb,overlinec are non-coplanar, then prove that the...

    Text Solution

    |

  11. IF overlinea=2overlinei+overlinej-overlinek,overlineb=-overlinei+2over...

    Text Solution

    |

  12. Find the range of 13cosx+3sqrt3 sin x-4

    Text Solution

    |

  13. Solve 1+sin^2 theta=3sin thetacostheta

    Text Solution

    |

  14. Show that cot(Sin^-1sqrt(13/17))=sin(Tan^-1""2/3).

    Text Solution

    |

  15. In DeltaABC, if 1/(a+c)+1/(b+c)=3/(a+b+c) then show that C=60^@

    Text Solution

    |

  16. If Q is the set of all rational numbers, and f:Qto Q is defined by f(x...

    Text Solution

    |

  17. If f={(4,5),(5,6),(6,-4)},g={(4,-4),(6,5),(8,5)} find (iii) fg

    Text Solution

    |

  18. Using Mathematical Induction, prove that statement for all n in N 1....

    Text Solution

    |

  19. Solve the following system of equations by using Cramer's rule. 2x-y...

    Text Solution

    |

  20. Show that the matrix A = [(1,2,1),(3,2,3),(1,1,2)] is non-singular and...

    Text Solution

    |