If and are two unit vectors such that + is also a unit vector, then find the angle between and
If the determinant of matrix A of order 3 × 3 is of value 4, write the value of |3A|.
Write fog, if f : R → R and g : R → R are given by f(x) = 8x³ and g(x) =
If A = is is a matrix of order 2 × 2, such that |A| = –15, and represents the cofactor of , then find