In this chapter, we provide NCERT Solutions for Class 12 Maths Chapter 3 Matrices Ex 3.4 for English medium students, Which will very helpful for every student in their exams. Students can download the latest NCERT Solutions for Class 12 Maths Chapter 3 Matrices Ex 3.4 pdf, free NCERT solutions for Class 12 Maths Chapter 3 Matrices Ex 3.4 book pdf download.

Board | CBSE |

Textbook | NCERT |

Class | Class 12 |

Subject | Maths |

Chapter | Chapter 3 |

Chapter Name | Matrices |

Exercise | Ex 3.4 |

Number of Questions Solved | 18 |

Category | NCERT Solutions |

## NCERT Solutions for Class 12 Maths Chapter 3 Matrices Ex 3.4

**Using Elementary transformation, find the inverse each of matrices, if it exists in ques 1 to 17.**

**Ex 3.4 Class 12 Maths Question 1.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 2.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 3.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 4.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 5.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 6.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 7.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 8.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 9.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Ex 3.4 Class 12 Maths Question 10.****Solution:**

Let

**Ex 3.4 Class 12 Maths Question 11.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 12.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 13.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 14.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 15.****Solution:**

Let

**Ex 3.4 Class 12 Maths Question 16.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 17.****Solution:**

Let

We know that

A = IA

**Ex 3.4 Class 12 Maths Question 18.****Choose the correct answer in the following question:****Matrices A and B will be inverse of each other only if****(a) AB = BA****(b) AB = BA = 0****(c) AB = 0,BA = 1****(d) AB = BA = I****Solution:**

Choice (d) is correct

i.e., AB = BA = I

**All Chapter NCERT Solutions For Class12 Maths**

—————————————————————————–**All Subject NCERT Solutions For Class12**

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