Home
Class 12
MATHS
The dot product of the two vectors veca ...

The dot product of the two vectors `veca` and `vecb` is

A

`|veca||vecb|cos theta`

B

`|veca|=|vecb| cos theta`

C

`|vecb|=|veca|cos theta`

D

None of the above

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • HP BOARD MARCH 2017

    OMEGA PUBLICATION|Exercise SERIES -C|78 Videos

  • HP BOARD MARCH 2017

    OMEGA PUBLICATION|Exercise SERIES -C|78 Videos

  • DIFFERENTIAL EQUATIONS

    OMEGA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS (MCQs) |44 Videos

  • INTEGRALS

    OMEGA PUBLICATION|Exercise Multiple Choice Questions (MCQs) |52 Videos

Similar Questions

Explore conceptually related problems

The scalar product of two given vectors veca and vecb having angle 'theta' between them is defind as veca*vecb=........ .

Obtain the dot product of the vectors : veca=veci-hatj+hatk and vecb=veci-hatk .

The locus of a point equidistant from two points with position vectors veca and vecb is

If theta is the angle between two vectors veca and vecb , then veca cdot vecb ge0 only when:

State whether it is true or false: If two vector veca and vecb are perpendicular to each other then veca > vecb.

If theta is the angle between two vectors veca and vecb , then |veca*vecb|=|vecaxxvecb| when theta is equal to :

Let veca and vecb be two vectors such that |\veca|=3 and |\vecb|=frac{sqrt2}{3} and vecaxxvecb is a unit vector. Then what is the angle between vectors veca and vecb ?

If veca and vecb are two unit vectors such that veca+vecb is also a unit vector, then find the angle between vectors veca and vecb .

OMEGA PUBLICATION-HP BOARD MARCH 2017-SERIES -B
  1. The degree of the differential equation ((dy)/(dx))^(2)+((dy)/(dx))-si...

    Text Solution

    |

  2. The projection of the vector 2hati+3hatj+2hatk on the vector hati+2hat...

    Text Solution

    |

  3. The dot product of the two vectors veca and vecb is

    Text Solution

    |

  4. The distance of the plane x+2y-2z=9 from the point (2,3,-5) is

    Text Solution

    |

  5. If A and B are two events such that P(A) ne 0 and P(B/A) = 1, then

    Text Solution

    |

  6. Using elementary transformation, find the inverse of the matrix A=[(2,...

    Text Solution

    |

  7. Find X and Y if X+Y=[(5,2),(0,9)] and X=Y=[(3,6),(0,-1)]

    Text Solution

    |

  8. Find the values of a and b such that the function defined by f(x){(5,"...

    Text Solution

    |

  9. Find the intervals in which the function f, given by f(x)=-2x^(3)-9x^(...

    Text Solution

    |

  10. Form the differential equation representing the family of curves x/a+y...

    Text Solution

    |

  11. Show that the relation R defined in the set A of all triangles as R={(...

    Text Solution

    |

  12. Show that "sin"^(-1)8/17+"sin"^(-1)3/5="tan"^(-1)77/36

    Text Solution

    |

  13. Express "tan"^(-1)x/(sqrt(a^(2)-x^(2))),|x|lta in the simples form

    Text Solution

    |

  14. Using the properties of determinats, show that |(y+k,y,y),(y,y+k,y),(y...

    Text Solution

    |

  15. Find (dy)/(dx) if sin^(2)y+cosxy=pi

    Text Solution

    |

  16. If =3e^(2x)+2e^(3x) then prove that (d^(2)y)/(dx^(2))-5(dy)/(dx)+6y=0

    Text Solution

    |

  17. Evlauate int(x+1)sqrt(2x^(2)+3)dx

    Text Solution

    |

  18. Evaluate int(xe^(x))/((1+x)^(2))dx

    Text Solution

    |

  19. Evaluate int(0)^(pi/2)(sqrt(sinx))/(sqrt(sinx)+sqrt(cosx))dx

    Text Solution

    |

  20. Solve differential equation(dy)/(dx)+secxy=tanx(0lexle(pi)/2)

    Text Solution

    |