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# NCERT Solutions for Class 12 Maths Determinants

Hi Students, Welcome to **Amans Maths Blogs (AMB)**. In this post, you will get the * NCERT Solutions for Class 12 Maths Determinants Exercise 4.4*. This

**can be downloaded in PDF file. The downloading link is given at last.**

*NCERT Solutions** NCERT Solutions for Class 12 Maths* are not only the solutions of Maths exercise but it builds your foundation of other important subjects. Getting knowledge of depth concept of

*like Algebra, Calculus, Trigonometry, Coordinate Geometry help you to understand the concept of Physics and Physical Chemistry.*

**CBSE Class 12**^{th}Maths* CBSE Class 12^{th}* is an important school class in your life as you take some serious decision about your career. And out of all subjects, Maths is an important and core subjects. So

*is major role in your exam preparation as it has detailed chapter wise solutions for all exercise.*

**CBSE NCERT Solutions for Class 12**^{th}MathsAs we know that all the schools affiliated from CBSE follow the NCERT books for all subjects. You can check the **CBSE NCERT Syllabus**. Thus, * NCERT Solutions* helps the students to solve the exercise questions as given in

*.*

**NCERT Books**## NCERT Solutions for Class 12 Maths Determinants Exercise 4.4

Write Minors and Cofactors of the elements of following determinants

**NCERT Solutions for Class 12 Maths Determinants ****Exercise**** 4.4: Ques No 1.**

(i)

**NCERT Solutions:**

(ii)

**NCERT Solutions:**

**NCERT Solutions for Class 12 Maths Determinants ****Exercise**** 4.4: Ques No 2.**

(i)

**NCERT Solutions:**

(ii)

**NCERT Solutions:**

**NCERT Solutions for Class 12 Maths Determinants ****Exercise**** 4.4: Ques No 3.**

Using Cofactors of elements of second row, evaluate Δ =

**NCERT Solutions:**

**NCERT Solutions for Class 12 Maths Determinants ****Exercise**** 4.4: Ques No 4.**

Using Cofactors of elements of third column, evaluate Δ =

**NCERT Solutions:**

**NCERT Solutions for Class 12 Maths Determinants ****Exercise**** 4.4: Ques No 5.**

If Δ = and A_{ij} is Cofactors of a_{ij}, then value of Δ is given by

(A) a_{11}A_{31}+ a_{12}A_{32} + a_{13}A_{33 }

(B) a_{11}A_{11}+ a_{12}A_{21} + a_{13}A_{31 }

(C) a_{21}A_{11}+ a_{22}A_{12} + a_{23}A_{13 }

(D) a_{11}A_{11}+ a_{21}A_{21} + a_{31}A_{31}

**NCERT Solutions:**

(D) Δ = a_{11}A_{11}+ a_{21}A_{21} + a_{31}A_{31}