In this video, we will get to learn about the area of a triangle and will also learn to solve a determinant using some properties without expanding it. • Three points would be collinear; if the area ...

A determinant can be defined in various ways for a square matrix. One straightforward method involves using the elements of the first row and their corresponding minors. Start by multiplying the first ...

The Mathematical Gazette is the original journal of the Mathematical Association and it is now over a century old. Its readership is a mixture of school teachers, college and university lecturers, ...