In this chapter, we provide NCERT Solutions for Class 12 Maths Chapter 4 Determinants Ex 4.4 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 4 Determinants Ex 4.4 pdf, free NCERT solutions for Class 12 Maths Chapter 4 Determinants Ex 4.4 book pdf download.

## NCERT Solutions for Class 12 Maths Chapter 4 Determinants Ex 4.4

**Ex 4.4 Class 12 Maths Question 1.****Write the minors and cofactors of the elements of following determinants:****(i)****(ii)****Solution:**

(i) Let A =

M_{11} = 3, M_{12} = 0, M_{21} = – 4, M_{22 }= 2

For cofactors

**Ex 4.4 Class 12 Maths Question 2.****Write Minors and Cofactor of elements of following determinant****(i)****(ii)****Solution:**

(i) Minors M_{11} = = 1

**Ex 4.4 Class 12 Maths Question 3.****Using cofactors of elements of second row, evaluate****Solution:**

Given

**Ex 4.4 Class 12 Maths Question 4.****Using Cofactors of elements of third column, evaluate****Solution:**

Elements of third column are yz, zx, xy

**Ex 4.4 Class 12 Maths Question 5.****If and Aij is the cofactors of aij? then value of ∆ 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}**Solution:**

Option (d) is correct.

**All Chapter NCERT Solutions For Class12 Maths**

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

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