Let a =a_ 1 i +a_ 2 j +a_ 3 k , +c_ 2 j +c_ 3 k be three non-zero vectors such that is a…
Mathematics · JEE Advanced · NTA Exams — Vector Algebra
Let \(\vec{a}=a_{1} \hat{i}+a_{2} \hat{j}+a_{3} \hat{k}\),
\(+c_{2} \hat{j}+c_{3} \hat{k}\) be three non-zero vectors such that
is a unit vector perpendicular to both the vectors
and
and if the angles between
and
is \[\frac{\pi}{6} \ ext {, then }\left|\begin{array}{lll}
a_{1} & a_{2} & a_{3} \\
b_{1} & b_{2} & b_{3} \\
c_{1} & c_{2} & c_{3}
\end{array}\right|^{2}\] is equal to
- 1


- none of these
Answer
(B)
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- The unit vector which is orthogonal to the vector 5 i +2 j +6 k and is coplanar with the vectors 2 i + j + k…
- Let p and q be the position vectors of P and Q respectively, with respect to O and | p |=p,| q |=q . The…
- Let a =2 i + j + k , b = i +2 j - k and a unit vector be coplanar. If is perpendicular to , then =
- If a = i + j + k , b =4 i +3 j +4 k and c = i + j + k are linearly dependent vectors and | c |= 3 , then
- Let the position vectors of the points P , Q , R and S be a = i +2 j -5 k , b =3 i +6 j +3 k , c = 17 5 i +…
- Let P R =3 i + j -2 k and S Q = i -3 j -4 k determine diagonals of a parallelogram PQRS and P T = i +2 j +3 k…
- Let a =2 i + j -2 k and b = ilde i + j . If is a vector such that , | c - a |=2 2 and the angle between is…
- The volume of the parallelopiped whose sides are given by O A =2 i -3 j , O B = i + j - k , O C =3 i - k is
More Vector Algebra questions · Browse all practice questions