1.Number of ordered pairs (x,y)(x,y)(x,y) for which A=(12122xy12)A = \begin{pmatrix}1&2&1\\2&2&x\\y&1&2\end{pmatrix}A=12y2211x2 is singular and symmetric isa.111b.000c.222d.333Login to continueOnly logged in users canattempt or see the solution.
