Home
Class 12
MATHS
If |veca| =8, |vecb| =3 and |veca xx ve...

If `|veca| =8, |vecb| =3 and |veca xx vecb|=12, ` then `veca.vecb` is :

A

`6 sqrt3`

B

`8sqrt3`

C

`12 sqrt3`

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • VECTOR ALGEBRA

    MODERN PUBLICATION|Exercise Multiple Choice Question (Level-II)|38 Videos

  • VECTOR ALGEBRA

    MODERN PUBLICATION|Exercise LATEST QUESTIONS FROM AIEEE/JEE EXAMINATIONS|16 Videos

  • UNIT TEST PAPER NO.3

    MODERN PUBLICATION|Exercise ASSERTION-REASON & COLUMN MATCHING TYPE QUESTIONS (SECTION-B COLUMN MATCHING TYPE QUESTIONS)|4 Videos

Similar Questions

Explore conceptually related problems

If | veca | =2, |vecb| =5 and | veca xx vecb| =8, then veca.vecb equals :

veca. (veca xx vecb)=

If |veca| = |vecb| = |veca + vecb| = 1 , then the value of |veca - vecb| is equal to

If |vecaxxvecb|=4 and |veca*vecb|=2 then |veca|^(2)|vecb|^(2)=

veca, vecb, vec c are three vectors such that veca + vecb + vec c = vec0, |veca| =1, |vecb| =2, |vec c|=3, then : veca.vecb + vecb .vecc+ vecc.veca is equal to :

If |veca| -= 16,|vecb| = 4 then, sqrt(|vecaxxvecb|^(2)+|veca.vecb|^(2)) =

If veca = (hati + ahtj + hatk), veca.vecb=1 and veca xx vecb=hatj-hatk then vecb is :

If 2veca*vecb = |veca| * |vecb| then the angle between veca & vecb is

Suppose veca + vecb + vecc = 0, |veca| = 3, |vecb| = 5, |vecc| = 7 , then the angle between veca & vecb is