Answer :

Given,

Now,

∴

⇒

∴

Rate this question :

Find the angle between two vectors and with magnitudes 1 and 2 respectively and when

Mathematics - Board Papers

If two vectors and are such that and then find the value of

Mathematics - Board PapersShow that area of the parallelogram whose diagonals are given by and is Also find the area of the parallelogram whose diagonals are

Mathematics - ExemplarFind the equation of a line passing through the point P(2, - 1, 3) and perpendicular to the lines

and

Mathematics - Board PapersUsing vectors, find the area of the triangle ABC with vertices A (1, 2, 3), B (2, –1, 4) and C(4, 5, –1).

Mathematics - Board PapersFind the angle between the vectors and if and hence find a vector perpendicular to both and

Mathematics - Board PapersFind the position vector of the foot of perpendicular and the perpendicular distance from the point P with position vector to the plane Also find image of P in the plane.

Mathematics - Board PapersIf vectors and are such that, and is a unit vector, then write the angle between and .

Mathematics - Board Papers