Home
Class 12
MATHS
If |veca|=3 and -1lekle2, then |kveca| l...

If `|veca|=3` and `-1lekle2`, then `|kveca|` lies in the interval

A

`[0,6]`

B

`[-3,6]`

C

`[3,6]`

D

`[1,2]`

Text Solution

Verified by Experts

The correct Answer is:
a
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 1 MARK (TYPE - II : FILL IN THE BLANKS QUESTIONS)|27 Videos

  • VECTOR ALGEBRA

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 1 MARK (TYPE - III : TRUE RO FALSE QUESTIONS)|15 Videos

  • THREE DIMENSIONAL GEOMETRY

    ACCURATE PUBLICATION|Exercise QUESTIONS CARRYING 6 MARKS:|56 Videos

Similar Questions

Explore conceptually related problems

If unit vectors veca and vecb are inclined at an angle 2 theta such that |veca - vecb| lt 1 and 0 le theta le pi , then theta lies in the interval

If |2x-3| lt | x+5| then x lies in the interval

The value of log_(10)3 lies in the interval

If both roots of the equation x^2-2ax + a^2-1=0 lie between (-2,2) then a lies in the interval

If z^3+(3+2i)z+(-1+i a)=0 has one real roots, then the value of a lies in the interval (a in R)

If x^2+ 4ax +2 >0 for all values of x, then a lies in the interval:

If |veca+ vecb| lt | veca- vecb| , then the angle between veca and vecb can lie in the interval

For (|x-1|)/(x+2) <1 , x lies in the interval :

sin^-1 (sin y) = y if y lies in the interval

If veca and vecb are vectors such that |veca|=2,|vecb|=3 and veca*vecb=4 , then |veca-vecb| is equal to :

ACCURATE PUBLICATION-VECTOR ALGEBRA-QUESTIONS CARRYING 2 MARKS
  1. If |veca|=3 and -1lekle2, then |kveca| lies in the interval

    Text Solution

    |

  2. Prove that the figure formed by joining the mid-points of the pairs of...

    Text Solution

    |

  3. If veca=hati+hatj+hatk,vecb=2hati-hatj+3hatk,vecc=hati-2hatj+hatk, the...

    Text Solution

    |

  4. If veca=2hati-hatj+3hatk,vecb =hati+hatj-hatk, vecc=3hati+4hatj-5hatk,...

    Text Solution

    |

  5. If veca=5hati+hatj-4hatk, vecb=2hati-3hatj+hatk and vecc=hati+3hatj-2h...

    Text Solution

    |

  6. Show that the points A(1,2,7), B(2,6,3) and C(3,10,-1) are collinear.

    Text Solution

    |

  7. Show that the three points with position vectors 2hati+6hatj+3hatk,hat...

    Text Solution

    |

  8. Show that the points : A(-2hati+3hatj+5hatk), B(hati+2hatj+3hatk) and ...

    Text Solution

    |

  9. Show that . the points (2. 6, 3), (1, 2, 7) and (3, 10, -1) are collin...

    Text Solution

    |

  10. Find the position vector of a point R which divides the line joining t...

    Text Solution

    |

  11. Find the position vector of a point R which divides the line joining t...

    Text Solution

    |

  12. Find the angle between two vectors veca and vecb with magnitudes sqrt3...

    Text Solution

    |

  13. For any two vectors veca and vecb, prove that |veca.vecb|le|veca||vec...

    Text Solution

    |

  14. For any two vectors veca and vecb, prove that : |veca+vecb|le|veca|+|v...

    Text Solution

    |

  15. If |veca|=3, |vecb|=4 and |vecc|=5 and each of them is perpendicular ...

    Text Solution

    |

  16. If |veca|=2, |vecb|=3 and |vecc|=4 and each of them is perpendiculart...

    Text Solution

    |

  17. If |veca|=7, |vecb|=1 and |vecc|=5 and each of them is perpendicular ...

    Text Solution

    |

  18. Let veca,vecb,vecc be the three vectors of magnitude 5, 3, I respectiv...

    Text Solution

    |

  19. Find the scalar projection of : veca=2hati-hatj-3hatk on vecb=3hati-5h...

    Text Solution

    |

  20. Find the scalar projection of : veca=7hati+3hatj+6hatk on vecb=5hati-2...

    Text Solution

    |

  21. Find the scalar projection of vecb on veca where : veca=2hati-2hatj+ha...

    Text Solution

    |