application of matrices and determinants class 12thmaths in life@mathsinlife

application of matrices and determinants class 12thmaths in life‪@mathsinlife‬
Consive the Matrices Equapion A X =B …….1 Where A is a suare Matrix and non-singular. Ax=B⇐⇒x=A−1B. Pre multiplying Equation -1 by A− on both sides (A−1A)X= A−1B. IX= A−1B X= A−1B