Question:

Find the values of each of the following determinants.

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 76

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 78

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 80

Answer:
Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 76

Solution:

Given

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 77

= (4 × 7) – (3 × 2) = 28 – 6 = 22

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 78

Solution:

Given
D =
Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 79

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 80

Solution:

Given

Maharashtra Board Solutions for Class 10 Maths Part 1 Chapter1 - Image 81

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