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Class 12

MATHS

JEE MAINS

Updated On: 15-1-2020

Answer

Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams.

Definition and Determinant of order 1 order 2

Determinant of order 3

Determinant calculation by sarrus diagram

Determinant of matrix order >=4

Definition and example

Definition

Let A be a square matrix of order n; then the sum of the product of elements of any row (column) with their cofactors is always equal to

Let A be a square matrix of order n; then the sum of the product of elements of any row (column) with the cofactors of the corresponding elements of some other row (column) is 0.

Let A be a square matrix of order n then

Let

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