The matrix `overset-A={:[(-i,1+2i),(-1+2i,0)]:}` is which of the following?

For the matrix A=[(1,1,0),(1,2,1),(2,1,0)] which of the following is correct? (A) A^3+3A^2-I=0 (B) A^3-3A^2-I=0 (C) A^3+2A^2-I=0 (D) A^3-A^2+I=0

For the matrix A=[(1,1,0),(1,2,1),(2,1,0)] which of the following is correct? (A) A^3+3A^2-I=0 (B) A^3-3A^2-I=0 (C) A^3+2A^2-I=0 (D) A^3-+A^2-+I=0

the matrix A=[(i,1-2i),(-1-2i,0)], where I = sqrt-1, is

the matrix A=[(i,1-2i),(-1-2i,0)], where I = sqrt-1, is

the matrix A=[(i,1-2i),(-1-2i,0)], where I = sqrt-1, is

the matrix A=[(i,1-2i),(-1-2i,0)], where I = sqrt-1, is

If I_(1) = underset(0)overset(pi//2)int x.sin xdx and I_(20 = underset(0)overset(pi//2)(int) x.cos x dx then which one of the following is true?

matrix A=({:(-i,0),(0,-i):}) then A^2 =

If A is a matrix such that A^(2)+A+2I=O the which of the following is/are true? A is non-singular A is symmetric A cannot be skew- symmetric A^(-1)=-(1)/(2)(A+I)

If A is matrix such that A^(2) +A + 2I = O then which of the following is not true ?a)A is symmetric b)A is non - singular c) |A| ne O d) A^(-1) = - (1)/(2) (A+ I)