Home
Class 12
MATHS
If veca,vecb and vecc are three vectors ...

If `veca,vecb` and `vecc` are three vectors such that `|veca|= 3,|vecb|= 4` and`|vecc|= 5` and each one of these is perpendicular to the sum of other two, then find`|veca + vecb+ vecc|`.

Promotional Banner

Topper's Solved these Questions

  • MODEL QUESTION PAPER-18

    SHARAM PUBLICATION|Exercise EXERCISE|42 Videos
  • MODEL QUESTION PAPER-3

    SHARAM PUBLICATION|Exercise EXERCISE|43 Videos

Similar Questions

Explore conceptually related problems

If veca,vecb and vecc are three vectors such that |veca|=5,|vecb|=12,|vecc|=13 and veca+vecb+vecc=0 then find the value of veca.vecb+vecb.vecc+vecc.veca.

|veca| = |vecb| = veca = vecb .

If veca.vecb = vecc.veca for all vectors veca , then

If veca , vecb and vecc are non-zero vectors, then vecaxxvecb = vecaxxvecc

If veca,vecb and vecc are three vectors such that veca x vecb = vecc and vecb x vecc = veca , then prove that veca,vecb and vecc are mutually at right angles and |vecb| = 1,|vecc| = |veca|

If veca,vecb,vecc are such that veca.vecb = veca.vecc then show that veca = vec0 or vecb = vecc or veca is perpendicular to vecb.vecc .

If two vectors veca and vecb are such that |veca| = 3, |vecb| = 2 and veca.vecb = 6, find |veca+vecb| and |veca-vecb| .

If veca+vecb+vecc = vec0, |veca| = 3 , |vecb| = 5 and |vecc| = 7, find the angle between veca and vecb .

SHARAM PUBLICATION-MODEL QUESTION PAPER-2-EXERCISE
  1. If f(x) = a In x + bx^2 + x has extreme values at x= - 1 and x = 2 the...

    Text Solution

    |

  2. Evaluate: int(log sinx )/(tan x)dx.

    Text Solution

    |

  3. Evaluate int(dx)/(x(x^(5)+3)).

    Text Solution

    |

  4. Evaluate int(0)^(pi//4)log(1+tanx)dx.

    Text Solution

    |

  5. Determine the area the of the region between the curves y=cos x and y=...

    Text Solution

    |

  6. Solve the differential equation (1+x^2)(dy)/(dx)+y= tan^(-1)x

    Text Solution

    |

  7. Vectors veca,vecb, vecc are such that veca + vecb + vecc = 0 and |veca...

    Text Solution

    |

  8. Show by vector method that the line joining the points (1, 4, 2) and (...

    Text Solution

    |

  9. Find the co-ordinates of the point where the perpendicular from the or...

    Text Solution

    |

  10. Find the equation of the plane passing through the line x = y = z and ...

    Text Solution

    |

  11. Find the co-ordinates of a point where the line (x- 2)/3 = (y+1)/4 = (...

    Text Solution

    |

  12. Solve for x tan^-1 ((2x)/(1 - x^2)) + cot^-1 ((1 - x^2)/(2x)) = pi/3(-...

    Text Solution

    |

  13. Find graphically the maximum value of z = 2x + 5y subject to the const...

    Text Solution

    |

  14. Find the values of a and b such that the function f defined by f(x) = ...

    Text Solution

    |

  15. Find (dy)/(dx) if y = x^x + (sinx)^x.

    Text Solution

    |

  16. Find the equations of the tangent to the curve y = x^(2) - 2x + 7, whi...

    Text Solution

    |

  17. Evaluate:- int(x sin^-1x)/sqrt(1- x^2) dx.

    Text Solution

    |

  18. Evaluate int0^ pi x/(1+ sin x) dx

    Text Solution

    |

  19. If veca,vecb and vecc are three vectors such that |veca|= 3,|vecb|= 4 ...

    Text Solution

    |

  20. Find the coordinates of foot of perpendicular drawn from the point (0,...

    Text Solution

    |