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Popular Questions
- let a = i + 2j + 4k, b = i + Aj + 4k and c = 2i + 4j + (A^2 -1) k be coplanar
- A and B are two points. The position vector of A is 6 b - 2 a
- P is the point of intersection of the diagonals of the parallelogram abcd. If o is any point,then
- Let a, b and c be three unit vectors, out of which vector b and c are non - parallel.
- a, b, c, d, e are five coplanar points, then
- let a = i + j + root 2 k, b=b1 i + b2 j root 2k and
- respectively be the position vectors of the points a, b and c with respect to the origin o .
- Let a and b be two unit vectors. If the vectors
- If p = i + j, q = 4k - j and r = i + k then the unit vector in the direction of 3p + q - 2r is
- The magnitude of cross product of two vectors is √3 times the dot product. The angle between the vector is
- If ABCDEF is a regular hexagon
- If a and b are position vectors of A and B respectively
- If the position vectors of the vertices of a triangle be 2i + 4j - k, 4i + 5j + k and 3i + 6j - 3k, then the triangle is
- The perimeter of the triangle whose vertices have the position vectors
- Area of diagonals is, ..., where diagonals are
- if the vector a = 2i + j +4k, b =4i - 2j + 3k and c =2i - 3j
- If the sum of two units vectors is a unit vector, then the magnitude of their difference is
- The position vectors of P and Q are respectively a and b
- If the position vectors of the vertices of TRIANGLE ABC are
- If the position vectors of A, B and C are respectively
- A vector perpendicular to 2i + j + k and coplaner with i + 2j + k and i + j + 2k is
- the magnitude of the projection of the vector
- the distance of point having position vector
- If a and b are two non-zero and non-collinear vectors, then a + b and a - b are
- If the position vector of A with respect to O is
- Let a = 2i - j + k
- AB * AC = 2i - 4j + 4k, then the area of triangle ABC is
- Let u be a vector coplaner with the vectors
- the sum of the district real values of for which the vectors
- If p is any pt. within a Δabc, then pa +cp =
- a = 2i + 2j - k, b = α j + β j + 2k
- If the angle between the lines
- The position vectors of the points A, b, c are (2i + j - k), (3i - 2j + k) and (i + 4j - 3k) respectively. These points
- the angle between the vector
- Let a = i be a vector which makes an angle of 120° with a unit vector b
- if vectors 3i + j - 5k and ai + bj - 15k are collinear, then
- If a, b and c are unit vectors such that
- If
- Let a = 2i+j-2k and b=I+j.
- Let
