Mathematics · supplementary
Inverse of scalar multiple for JEE
Adjoint and inverse of a square matrix
Formula
\((kA)^{-1}=\dfrac{1}{k}A^{-1}\).
Variables: \(k\): nonzero scalar, \(A\): invertible matrix.
Conditions: \(k\ne 0\) and \(A^{-1}\) exists.
Simplification of inverse expressions.