How is minor of an element in a determinant obtained?

A. उस element की row और column हटाकर determinant लेकर / By deleting its row and column and taking determinant

Step 1: Identify the concept: this is minor. Step 2: Minor of an element is determinant of the matrix left after deleting its row and column. Step 3: Remember delete row and column for minor.

Step 1: concept पहचानें: यह minor है। Step 2: किसी element का minor उसकी row और column हटाने के बाद बची matrix का determinant होता है। Step 3: Minor के लिए row column delete याद रखें।