Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) If `P= [[1,alpha,3],[1,3,3],[2,4,4]]` is the adjoint of a `3xx3` matrix A and |A|=4, then `alpha` is equal to - Sarthaks eConnect

If `P= [[1,alpha,3],[1,3,3],[2,4,4]]` is the adjoint of a `3xx3` matrix A and |A|=4, then `alpha` is equal to: