Home
Class 12
MATHS
If vec a and vec b are vectors such th...

If `vec a` and `vec b` are vectors such that `|vec a+vec b|=sqrt29` and `vec a xx (2 hat i+3 hat j+4 hat k)=(2 hat i+3hat j+4 hat k) xx vec b`, then a possible value of `(vec a+vec b)*(-7 vec i+2 hat j+3 hat)` is

Promotional Banner

Topper's Solved these Questions

  • JEE (ADVANCED ) 2020

    JEE ADVANCED PREVIOUS YEAR|Exercise SECTION 2|6 Videos
  • JEE (ADVANCED ) 2020

    JEE ADVANCED PREVIOUS YEAR|Exercise SECTION 3|6 Videos
  • JEE (ADVANCED) 2020

    JEE ADVANCED PREVIOUS YEAR|Exercise SECTION-3|6 Videos

Similar Questions

Explore conceptually related problems

If vec A = 2 hat i + 3 hat j + hat k and vec B = 3 hat i + 2 hat j + 4 hat k , then find the value of (vec A+vec B)xx(vec A-vec B) .

If vec a=hat i-2hat j+hat k,vec b=2hat i+hat j-hat k and vec C=3hat i+5hat j+2hat k then find the value of vec a xx(vec b xxvec c)

If vec A = hat i + 3 hat j + 2 hat K and vec B = 3 hat i + hat j + 2 hat k , then find the vector product vec A xx vec B .

[vec a,vec b,vec c], when vec a=2hat i-3hat j+4hat k,vec b=hat i+2hat j-hat k and vec c=3hat i-hat j+2hat k

If vec A=hat I + 2 hat j -3 hat k , vec B =2 hat I -hat j + hat k and vec Chat I -3 hat j + 2 hat k , then find vec A xx ( vec B xx vec C).

If vec a= hat i+ hat j+ hat k , vec adot vec b=2 and vec ax vec b=2 hat i+ hat j-3 hat k , then vec a+ vec b=5 hat i-4 hat j+2 hat k (b) vec a+ vec b=3 hat i+2 vec k vec b=2 hat i- hat j+ hat k (d) vec b= hat i-2 hat j-3 hat k

vec a=3hat i-hat j-4hat k,vec b=-2hat i+4hat j-3hat k and vec c=hat i+2hat j-hat k,f in d|3vec a-2vec b+4vec c|

If vec a=2hat i+2hat j-3hat k,vec b=hat i-2hat j+2hat k,vec c=4hat i+3hat j+3hat k then find the value of |vec a+2vec b+2vec c|

If vec a=3hat i+4hat j and vec b=hat i+hat j+hat k, find the value of |vec a xxvec b|

If vec a=hat i+2hat j-2hat k,vec b=2hat i-hat j+hat k and vec c=hat i+3hat j-hat k then find vec a xx(vec b xxvec c)