Competitive Exam Trainer Practice or CET Practice aspires to be a personal subject, preparation and answering technique trainer for students appearing for competitive examinations.

Monday, January 12, 2015

The number of solutions of the system of equations
2x + y - z = 7, x - 3y + 2z = 1, x + 4y - 3z = 5 is

## No comments:

## Post a Comment