{"result":{"text":"L e t space M space b e space a space 3 cross times 3 space m a t r i x space s a t i s f y i n g space M equals open square brackets table row 0 row 1 row 0 end table close square brackets equals open square brackets table row cell negative 1 end cell row 2 row 3 end table close square brackets space M equals open square brackets table row 1 row cell negative 1 end cell row 0 end table close square brackets space a n d space M equals open square brackets table row 1 row 1 row 1 end table close square brackets equals open square brackets table row 0 row 0 row 12 end table close square brackets"},"status":"ok"}