Home
Class 12
MATHS
Compute the magnitude of the following v...

Compute the magnitude of the following vectors :
`veca=hati+hatj+hatk,vecb=2hati-7hatj-3hatk,vecc=(1)/(sqrt(3))hati+(1)/(sqrt(3))hatj-(1)/(sqrt(3))hatk`

Text Solution

Verified by Experts

The correct Answer is:
1
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise SOLVED EXAMPLES SECTION III |21 Videos

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise SOLVED EXAMPLES SECTION V|10 Videos

  • VECTOR ALGEBRA

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTIONS FOR PRACTICE (MCQ)|46 Videos

  • THREE DIMENSIONAL GEOMETRY

    BETTER CHOICE PUBLICATION|Exercise PREVIOUS YEARS BOARD.S QUESTION FOR PRACTICE |60 Videos

Similar Questions

Explore conceptually related problems

Find the sum of the following vectors veca=hati-2hatj,vecb=2hati-3hatj,vecc=2hati+3hatk .

Find the angle between the vectors : veca=3hati-2hatj+hatk and vecb=hati-2hatj-3hatk .

Knowledge Check

  • The angle between the vectors veca=hati-2hatj+3hatk and vecb=3hati-2hatj-hatk is

    A
    `cos^(-1)""(2)/(7)`
    B
    `cos^(-1)""(5)/(7)`
    C
    `cos^(-1)""(6)/(7)`
    D
    none of these

  • Magnitude of the vectors 1/(sqrt(3))hati+1/(sqrt(3))hatj+1/(sqrt(3))hatk is equal to

    A
    `-1`
    B
    1
    C
    `1/(sqrt(3))`
    D
    0

    • Similar Questions

    Explore conceptually related problems

    Find the sum of the following vectors veca=hati-3hatk,vecb=2hatj-hatk and vecc=2hati-3hatj+2hatk

    Find veca.vecb If veca=3hati-hatj+2hatk and vecb=2hati+3hatj+3hatk

    Find the unit vector perpendicular to the vector veca=4hati-3hatj-hatk,vecb=2hati-3hatj-3hatk

    Show that the following vectors are coplanar : veca=hati-2hatj+3hatk,vecb=-2hati+3hatj-4hatk and vecc=hati-3hatj+5hatk .

    For what value of 'lambda' is the following vectors coplanar ? veca=hati+3hatj+hatk,vecb=2hati-hatj-hatk and vecc=lambda hatj+3hatk .

    Find the scalar projection of : veca=7hati+hatj-4hatk on vecb=2hati+6hatj+3hatk .

    Home
    Profile