if A is a non singular matrices of order 3 and /A/ =-3 find /adj A/ Share with your friends Share 0 Rishabh Mittal answered this Dear Student , Here is the similar link for your query : https://www.meritnation.com/ask-answer/question/if-a-is-an-invertible-matrix-of-order-3-and-a-5-the-find-t/determinants/7939139 We hope the above link will help you in clearing the doubt . Regards -1 View Full Answer