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If vec a and vec b are vectors in space ...

If `vec a` and `vec b` are vectors in space given by `vec a= (hat i - 2vec j)/sqrt5` and `vec b = (2 hat i+ hat j + 3 hat k)/sqrt14` then the value of `(2 vec a+ vec b)` is

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If a and b are vectors in space given by vec a=(hat i-2hat j)/(sqrt(5)) and vec b=(hat 2i+hat j+3hat k)/(sqrt(14)), then find the value of (2vec a+vec b)*[(vec a xxvec b)xx(vec a-2vec b)]

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 .

If vec a=hat i-hat j and vec b=-hat j+hat k find the projection of vec a on vec b

If vec a=3hat i-2hat j+hat k and vec b=-hat i+hat j+hat k then the unit vector parallel to vec a+vec b, is

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Find the angle between the vectors vec a and vec b where: vec a=2hat i-3hat j+hat k and vec b=hat i+hat j-2hat k

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If vec(a) = hat(i) + hat(j) + 2 hat(k) and vec(b) = 3 hat(i) + 2 hat(j) - hat(k) , find the value of (vec(a) + 3 vec(b)) . ( 2 vec(a) - vec(b)) .

If vec a and vec b are non-zero and non-collinear vectors, then vec ax vec b=[ vec a vec b hat i] hat i+[ vec a vec b hat j] hat j+[ vec a vec b hat k] hat k vec adot vec b=( vec adot vec i)( vec adot hat i)( vec bdot hat j)+( vec adot hat j) ( vec bdot hat j) + ( vec adot hat k)( vec bdot hat k) If vec u= hat a-( hat adot hat b) hat b and hat v= hat ax hat b , then | vec v|=| vec u| If vec c= vec ax( vec ax vec b) , then vec cdot vec a=0

Find the angle between the vectors vec a and vec b where: vec a=hat i-hat j and vec b=hat j+hat k

A DAS GUPTA-Some New Pattern Problems-Exercise
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