Let A and B are two square matrix of order 2 x 2, where det(A) = 1, det(B) = 2, then 9. Find det(A + aB)det(aA+B), a R: (A) a (B) 0 (C) a-1 (D) None of these 10. Find det(A aB) - det(-aA + B), a ER: (A) a (B) 0 (C) a-1 (D) None of these 1. 2. Find the distance of the point i +2} +3k from the plane r ( + + k) = 5 measured parallel to the vector 21 +3 - 6k. Number of values of 'p' for which the equation, (p - 3p+2)x - (p - 5p+ 4)x + p-p = 0 possess more than two roots, is? x 3. Area of triangle formed by the asymptotes and any tangent to 1 is 36 sq. units, where b a & b are integers, then number of such hyperbolas is?