I need to write this equation here: X1^2+X1X2+X2^2=8
in the form of X^TAX=8
Once ive done that i nee to be able to find the matrix Q such that the transformation X=QY diagonalises A and reduces the equation to a standard form in terms of (Y1, Y2)
I need to write this equation here: X1^2+X1X2+X2^2=8
in the form of X^TAX=8
Once ive done that i nee to be able to find the matrix Q such that the transformation X=QY diagonalises A and reduces the equation to a standard form in terms of (Y1, Y2)