# Cofactor Formula

## Cofactor Formula

With the help of this article, students will learn about what the cofactor formula is Cofactor Formula. Extramarks provides various such resources for the benefit of students. Extramarks resources are written to assist students in preparing for exams.It provides study resources for the students, such as NCERT Solutions , Revision notes, past years’ papers solutions etc for the students. The resources are provided for students from all classes from Class 1 to Class 12. Further, students can rely on these resources completely as they are written according to the latest CBSE guidelines and NCERT recommendations. Moreover, all the resources offered by Extramarks are available in both Hindi and English. Students can download all the resources from the website and mobile application of Extramarks. They are advised to download the resources in PDF format for their convenience.

Mathematics is a rational subject, the science of structural relationships and order that evolved from primitive practises of counting, measuring, and explaining the shapes of objects. It also covers quantitative calculations and logical reasoning. Thus, mathematics simply means to study, learn, or gain knowledge. Mathematics theories help us understand and solve various types of problems in both academic and real-life situations. The best brain exercise is probably solving mathematical problems.

Mathematics’ development of mathematics has involved an increasing intensity of idealisation and abstraction of its subject matter. Mathematicians from various civilizations around the world have studied the subject for centuries.Archimedes (287-212 BC) is remembered as the Father of Mathematics in the BC century. He developed formulas for calculating solid volume and surface area. Aryabhatt, who was born in 476 CE, is known as the Father of Indian Mathematics.

Since the 17th century, Math has been a crucial complement to the physical sciences and technology, and more recently, it has been assumed that it will play a similar role in the quantitative components of the life sciences.

As a “demonstrative discipline,” mathematics was first studied by the Pythagoreans in the sixth century BC. The Greek word “mathema,” which denotes “matter of education,” is where the name “mathematics” originated.

Axioms, theorems, proofs, and postulates were developed by another mathematician by the name of Euclid. These concepts are still employed extensively in modern mathematics.

## What Is Cofactor Formula?

A Cofactor Formula is a number obtained by removing the row and column of a square or rectangle-shaped element. The Cofactor Formula is preceded by a negative or positive sign depending on the element’s position. It is used to find the matrix’s inverse and adjoint. This article will teach students about cofactor matrices, cofactor examples, and how to find the cofactor of a matrix.

In Mathematics, a Cofactor Formula is used to find the inverse of an adjoint matrix. The Cofactor Formula is the number obtained by removing the column and row of a specific element from a matrix, which is simply a numerical grid in the shape of a rectangle or a square.

A positive (+) or negative (-) sign always precedes the cofactor.

### Examples Using Cofactor Formula

Students can find examples of Cofactor Formula solutions on the website and mobile application of Extramarks. Extramarks’ Mathematics solutions include step-by-step answers for students’ convenience. All the Cofactor Formula are written in an easy and precise manner so that students understand them easily.