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Problem Questions with Answer, Solution - Exercise 1.1: Inverse of a Non-Singular Square Matrix | 12th Mathematics : UNIT 1 : Applications of Matrices and Determinants

Chapter: 12th Mathematics : UNIT 1 : Applications of Matrices and Determinants

Exercise 1.1: Inverse of a Non-Singular Square Matrix

Mathematics : Applications of Matrices and Determinants: Inverse of a Non-Singular Square Matrix: Exercise Problem Questions with Answer, Solution (Maths Book back answers and solution for Exercise questions)

EXERCISE 1.1

EXERCISE 1.1

1. Find the adjoint of the following:

2. Find the inverse (if it exists) of the following:

15. Decrypt the received encoded message [2 −3] [20 4] with the encryption matrix and the decryption matrix as its inverse, where the system of codes are described by the numbers 1-26 to the letters A Z − respectively, and the number 0 to a blank space.

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12th Mathematics : UNIT 1 : Applications of Matrices and Determinants : Exercise 1.1: Inverse of a Non-Singular Square Matrix | Problem Questions with Answer, Solution

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