Home
Class 12
MATHS
Let a = 2i + j - 2k and b = I + j. If c ...

Let a = 2i + j - 2k and b = I + j. If c is vector such that ac = |c|, |c - a| = `2 sqrt(2)` and the angle between `a xx b` and c is `30^(@)`, then `|(a xx b) xx c|` =

Text Solution

Verified by Experts

The correct Answer is:
`=(3)/(2)`
Promotional Banner

Topper's Solved these Questions

  • PRODUCT OF VECTORS

    SRISIRI PUBLICATION|Exercise SPQ|15 Videos

  • PRODUCT OF VECTORS

    SRISIRI PUBLICATION|Exercise 2 D (VSAQ, SAQ,LAQ)|26 Videos

  • PRACTICE MODEL PAPER-8

    SRISIRI PUBLICATION|Exercise SECTION-C|7 Videos

  • PROPERTIES OF TRIANGLES

    SRISIRI PUBLICATION|Exercise LAQ ,SAQ,VSAQ (2DHARDQ) (3DMIS.Q)|44 Videos

Similar Questions

Explore conceptually related problems

Let A=2hati+hatj-2hatk and B= hati+hatj . If C is a vector such that A.C=|C|,|C-A|=2 sqrt2 and the angle between A times B and C is 30^@ , then the value of |(A times B) times C| is

Let vec(a)= 2vec(i) + vec(j)-2vec(k), vec(b)= vec(i) + vec(j) " if " vec(c ) is a vector such that vec(a).vec(c )= |vec(c )|, |vec( c)- vec(a)|= 2 sqrt2 and the angle between vec(a) xx vec(b) and vec(c ) " is " 30^(@) , then find |(vec(a) xx vec(b)) xx vec( c)|

If a,b,c are three unit vectors such that a xx (b xx c) = (1)/(2) b then the angles between a,b and a,c are

Let a.b and c be non-zero vectors such that (a xx b) xx c = (1)/(3) |b| |c| a . If theta is the acute angle between the vectors b and c then sin theta =

If a = I + j - k, b = I - j + k, c = I - j - k then a xx (b xx c) =

If a = i + j, b = j + k and c = i + k then a unit vector in the direction of a - 2b + 3c is

If a = 2i - 3j - k, b = I + 4j - 2k then (a + b) xx (a - b) =

If a = 2i + 3j - 4k, b = I + j + k and c = 4i + 2j + 3k, then |a xx (b xx c)| =