Home
Class 12
MATHS
Write the the projections of vec r=3 ha...

Write the the projections of ` vec r=3 hat i-4 hat j+12 hat k` on the coordinate axes.

Text Solution

AI Generated Solution

Promotional Banner

Topper's Solved these Questions

  • RELATIONS

    RD SHARMA ENGLISH|Exercise All Questions|197 Videos

  • SCALAR TRIPLE PRODUCT

    RD SHARMA ENGLISH|Exercise All Questions|76 Videos

Similar Questions

Explore conceptually related problems

Find the angles which the vector vec a= hat i- hat j+sqrt(2) hat k makes with the coordinate axes.

Find the angles which the vector vec a= hat i- hat j+sqrt(2) hat k makes with the coordinate axes.

Find the projection of the vector vec a=2 hat i+3 hat j+2 hat k on the vector vec b=2 hat i+2 hat j+ hat k .

Find lambda, when the projection of vec a=lambda hat i+ hat j+4 hat k\ on\ vec b=2 hat i+6 hat j+3 hat k\ i s\ 4\ units.

Find the projection of the vector vec(P) = 2hat(i) - 3hat(j) + 6 hat(k) on the vector vec(Q) = hat(i) + 2hat(j) + 2hat(k)

Find the distance of the point (-1,-5,-10) from the point of intersection of line vec r=2 hat i- hat j+2 hat k+lambda(3 hat i+4 hat j+2 hat k) and the plane vec r ( hat i- hat j+ hat k)=5.

The projection of the vector vec( a) = 2 hat(i) - hat(j) +hat(k) along the vector vec(b) = hat(i) + 2 hat(j)+ 2hat(k) is

Write the projection of vec b+ vec c\ on\ vec a , when vec a=2 hat i-2 hat j+ hat k ,\ vec b= hat i+2 hat j-2 hat k\ a n d\ vec c=2 hat i- hat j+4 hat kdot

The intercepts made by the plane overset(to) (r ) (2 hat(i) - 3 hat(j) + 4 hat(k) ) + 12 = 0 on the coordinate axes are

Find lambda where projection of vec (a) = lambda hat (i) + hat (j) + 4 hat (k) on vec (b) = 2 hat (i) + 6 hat (i) + 3 hat (k) is 4 unit

RD SHARMA ENGLISH-SCALAR OR DOT PRODUCT-All Questions
  1. If vec a= hat i- hat j\ a n d\ vec b=- hat j+ hat k find the project...

    Text Solution

    |

  2. For any two non zero vectors write the value of (| vec a+ vec b|^2+| v...

    Text Solution

    |

  3. Write the the projections of vec r=3 hat i-4 hat j+12 hat k on the co...

    Text Solution

    |

  4. Writhe the component of vec b along vec adot

    Text Solution

    |

  5. Writhe the value of ( vec adot hat i) hat i+( vec adot hat j) hat j+( ...

    Text Solution

    |

  6. Find the value of theta(0,pi//2) for which vectors vec a=(sintheta) ...

    Text Solution

    |

  7. Write the projection of hat i+ hat j+ hat k along the vector hat jdo...

    Text Solution

    |

  8. Writhe a vector satisfying vec adot hat i= vec adot( hat i+ hat j)= v...

    Text Solution

    |

  9. Find dy/dx if y=e^(3x)

    Text Solution

    |

  10. If vec a\ a n d\ vec b\ a n d\ vec c are mutually perpendicular uni...

    Text Solution

    |

  11. If vec a\ a n d\ vec b are mutually perpendicular unit vectors, writ...

    Text Solution

    |

  12. Find the angle between the vectors vec a= hat i- hat j+ hat k\ a n ...

    Text Solution

    |

  13. For what value of lambda are the vector vec a=2 hat i+lambda hat j+ h...

    Text Solution

    |

  14. Write the value of p for which vec a=3 hat i+2 hat j+9 hat k\ a n d\ ...

    Text Solution

    |

  15. Find the value of lambdadot If the vectors 2 hat i+lambda hat j+3 hat ...

    Text Solution

    |

  16. If | vec a|=2,\ | vec b|=3\ a n d\ vec adot vec b=3 find the projecti...

    Text Solution

    |

  17. Writhe the angle between two vectors vec a\ a n d\ vec b"\ " with ma...

    Text Solution

    |

  18. Write the projection of the vector hat i+3 hat j+7 hat k on the vecto...

    Text Solution

    |

  19. Find lambda, when the projection of vec a=lambda hat i+ hat j+4 hat k...

    Text Solution

    |

  20. For what value of lambda are the vectores vec a=2 hat i+lambda hat j+...

    Text Solution

    |