Home
Class 12
MATHS
If veca and vecb are two vectors such th...

If `veca` and `vecb` are two vectors such that `|veca|=2,|vecb|=3` and `veca.vecb =4`, then find the value of `|veca-vecb|`

Promotional Banner

Topper's Solved these Questions

  • QUESTION PAPER 2016

    UNITED BOOK HOUSE|Exercise EXERCISE|43 Videos
  • QUESTION PAPER 2017

    UNITED BOOK HOUSE|Exercise EXERCISE|43 Videos

Similar Questions

Explore conceptually related problems

If |veca|=|vecb|=|veca+vecb|=1 then find the value of |veca-vecb|

veca and vecb are two vectors such that |veca+vecb|= |veca-vecb| then angle between veca and vecb is

If veca and vecb are non - zero vectors such that |veca + vecb| = |veca - 2vecb| then

If |veca xx vecb|=3 and veca*vecb=4 , then the value of |veca|^(2)|vecb|^(2) is -

If veca and vecb are two vectors, such that |veca xx vecb|=2 , then find the value of [veca vecb veca xx vecb] .

veca and vecb are two vectors such that |veca|=1 ,|vecb|=4 and veca. vecb =2 . If vecc = (2vecaxx vecb) - 3vecb then find angle between vecb and vecc .

If veca and vecb are two vectors, such that veca.vecbgt0 and |veca.vecb|=|vecaxxvecb| then the angle between the vectors veca and vecb is

If |veca|=7,|vecb|=sqrt(26) and |veca xx vecb|=35 , then the value of veca*vecb is -

Find |veca-vecb| , if two vectors vecaandvecb are such that |veca|=2,|vecb|=3andveca*vecb=4 .

UNITED BOOK HOUSE-QUESTION PAPER 2015-EXERCISE
  1. Find the differential equation of the curves given by y = Ae^(2x)+Be^(...

    Text Solution

    |

  2. Find the vector equation of the line whose Cartesian equation is given...

    Text Solution

    |

  3. If veca and vecb are two vectors such that |veca|=2,|vecb|=3 and veca....

    Text Solution

    |

  4. Find out the mean and variance of the following probability distributi...

    Text Solution

    |

  5. Find the probability that birthdays of any two members out of five me...

    Text Solution

    |

  6. Prove that tan^(-1)(1/(x+y))+tan^(-1)(y/(x^2+xy+1) )= cot^(-1)x.

    Text Solution

    |

  7. If A = ([1,4],[2,3]) then show that A^2-4A-5I = theta and using this f...

    Text Solution

    |

  8. Solve the following equations by Cramer's method: x+y=1,y+z= 2,x+z=3.

    Text Solution

    |

  9. Show that |[a+b+2c,a,b],[c,b+c+2a,b],[c,a,c+a+2b]|=2(a+b+c)^3.

    Text Solution

    |

  10. Solve for x: |[x,c+x,b+x],[c+x,x,a+x],[b+x,a+x,x]|=0

    Text Solution

    |

  11. Find (dy)/(dx) where x= cos^(-1)(8t^4-8t^2+1) y =sin^(-1)(3t-4t)^3...

    Text Solution

    |

  12. Evaluate: int(2^xdx)/sqrt(4^x-2^(x+2)+5)

    Text Solution

    |

  13. Evaluate : int (3x+5)/(x^3-x^2-x+1)dx

    Text Solution

    |

  14. SolveL (1+y)^2dx=(tan^(-1)y-x)dy, given that y= 0 when x= -1.

    Text Solution

    |

  15. If the rate of increase of population is 5% per year, then in how man...

    Text Solution

    |

  16. Find vecc, when vecaxxvecc=vecb and veca.vecc= 3 where veca= hatr+hatj...

    Text Solution

    |

  17. Find the value of lambda if three vectors veca= 2hati-hatj+hatk,vecb= ...

    Text Solution

    |

  18. Evaluate (with the help of definite integral) underset(n rarr infty)...

    Text Solution

    |

  19. Find the value of overset(pi/2)underset(0)int(x sinx cos x)/(a^2cos^2 ...

    Text Solution

    |

  20. Sum and product of mean and standard deviation of a bionomial distribu...

    Text Solution

    |