Hello my friendsbr Welcome to My Educational Channelbr Sharma Study Pointbr Thanks for the watching videos and Subscribe this channelbr In this video br Determinant of matricesbr Square matrixbr Find Determinant of matricesbr Cofactorsbr Minor'sbr Difference between cofactors & Minor'sbr Singular matrixbr Non singular matrixbr Find the values of x if matrix is singularbr In this channel you watchbr Best Short Tricks videobr Elements Maths Solutionsbr NCERT & Extra Questionsbr Best explanation of each topicbr Thanks again...