QUADRATIC EQUATION | CBSE BOARD CLASS X | INTRODUCTION | L-2 | MATRIX | DGV SIR | TERM-2 WITH PYQs

The quadratic equation x^(2) + (a^(2) - 2) x - 2a^(2) and x^(2) - 3x + 2 = 0 have

If A is a square matrix such that A^2-A+l=0 , then the inverse of A is

The roots of the quadratic equation 2x^2 - x - 6 = 0 are

If A matrix of size nxxn such that A^(2) +A+2l =0 then

The quadratic equation x^(2) - (m -3)x + m =0 has

The roots of the quadratic equation (a + b-2c)x^2+ (2a-b-c) x + (a-2b + c) = 0 are

If A is a square matrix of order 3 and I is an ldentity matrix of order 3 such that A^(3) - 2A^(2) - A + 2l =0, then A is equal to