How to find the Determinant of 2x2 Matrix

[@PORTIPHERSICHEEPA]

am passing maths because of you sir, am always available and I will be available always. thanks you for the good work you are doing. not too slow,not too fast but just perfect. I salute you sir

[@porkiie1999]

Please assist me sir with some few sums

[@Breaking_footfc]

Why there is subtraction in determinant

[@solomonalusa8895]

Goog job I am learning from Kenya

[@godxtan6416]

Because of cofactor of determinant