Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) Let matrix `A=[[1, 2, 3],[0 ,5 ,4],[0, 3 ,2]]` and `A^3-8A^2+alphaA+betaI=0` then ordered pair `(alpha, beta)` is - Sarthaks eConnect

Let matrix `A=[[1, 2, 3],[0 ,5 ,4],[0, 3 ,2]]` and `A^3-8A^2+alphaA+betaI=0` then ordered pair `(alpha, beta)` is:

`5, 2`

`5, -2`

-5, 2

2, 5