Home
Class 12
MATHS
If vecu=veca-vecb, vecv=veca+vecb and |v...

If ``vecu=veca-vecb, vecv=veca+vecb` and `|veca|=|vecb|=2`, then `|vecuxxvecc|` is equal to

A

`2sqrt(16 -(veca.vecb)^(2))`

B

`2sqrt(4-(veca.vecb)^(2))`

C

`sqrt(16-(veca.vecb)^(2))`

D

`sqrt(4-(veca.vecb)^(2))`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

If vecu=veca-vecb , vecv=veca+vecb and |veca|=|vecb|=2 , then |vecuxxvecv| is equal to

If |vecaxxvecb|=2,|veca.vecb|=2 , then |veca|^(2)|vecb|^(2) is equal to

If |veca|=|vecb| , then (veca+vecb).(veca-vecb) is equal to

If | veca| = 2 |vecb|=5 and | veca xx vecb| = 8 , then | veca. vecb| is equal to :

If |veca|=5 , |veca-vecb| = 8 and |veca +vecb|=10 then find |vecb|

Let veca and vecb are vectors such that |veca|=2, |vecb|=3 and veca. vecb=4 . If vecc=(3veca xx vecb)-4vecb , then |vecc| is equal to

If |vecaxxvecb|^(2)+(veca.vecb)^(2)=144and|veca|=4,"then "|vecb| is equal to ……..

If veca and vecb are two non collinear vectors and vecu=veca-(veca.vecb)vecb and vecv=vecaxxvecb then |vecv| is (A) |vecu| (B) |vecu|+|vecu.vecb| (C) |vecu|+|vecu.veca| (D) none of these

If |veca + vecb| =60 |veca-vecb|=40 and |vecb| = 46 find |veca|