# Identify the following matrix is singular or non-singular? [75-47] - Mathematics and Statistics

Sum

identify the following matrix is singular or non-singular?

[(7, 5),(-4, 7)]

#### Solution

Let A = [(7, 5),(-4, 7)]

∴ |A| = |(7, 5),(-4, 7)|

= 49 + 20

= 69 ≠ 0

∴ A is a non-singular matrix.

Is there an error in this question or solution?

#### APPEARS IN

Balbharati Mathematics and Statistics 1 (Arts and Science) 11th Standard Maharashtra State Board
Chapter 4 Determinants and Matrices
Exercise 4.4 | Q 3. (iv) | Page 83