CET - MATHEMATICS - 20

• exposé

CET – MATHEMATICS – 20 10 VERSION CODE: B – 2 EXPERT IS NOT HELD RESPONSIBLE IF ANY CHANGE IN THE ANSWER PROVIDED BY THE CET CELL 1. If A =    11 23 , then A2 + xA + yI = 0 for (x, y) = …………. a) (-4, 1) b) (-1, 3) c) (4, -1) d) (1, 3) Ans (1) Characteristic equation is 0142 =+λ−λ , using Cayley-Hamilton theorem 0IA4A2 =+− therefore x = -4 and y = 1 2.

• commutative law
• space vector
• vector with the positive direction of z-axis
• equation of the bisector of the angle pqr
• constant term
• area of triangle
• area of the triangle
• area of a triangle
• cos
• positive integer
• angle