# NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.4

NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.4 Determinants in Hindi Medium as well as English Medium for the users who are concerned with NCERT Textbooks in 2018-19 for their studies. We have updated all the solutions as per the suggestions received by the students/teachers.

## NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.4

### Class 12 Maths Chapter 4 Exercise 4.4 Determinants Solutions in English

NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.4 Determinants solutions based on Minors and Co-factors. We can use cofactors of any row or column along with elements to solve the determinants. Click here to get the solutions of other exercises of Class 12 Mathematics Chapter 4, If you need Solutions in Hindi, CLICK HERE for Hindi Medium Solutions.

### Class 12 Maths Chapter 4 Exercise 4.4 Determinants Solutions in Hindi

NCERT Solutions for Class 12 Maths Chapter 4 Exercise 4.4 सारणिक। यह प्रश्नावली सारणिकों के अवयवों के उपसारणिक तथा सारणिकों के उपखंड पर आधारित है। सारणिक को हल करते समय हम किसी भी सतम्भ या पंक्ति के सहखंडों का प्रयोग कर सकते हैं। Click here to get the solutions of other exercises of Class 12 Mathematics Chapter 4, Go back to English Medium Solutions.

#### About Exercise 4.4 of Determinants

It is very important to know that how to calculate Minors and Cofactors as it is required during the solutions of determinants as well as to find the inverse of a Matrix. To find the inverse of a Matrix, we need to calculate Cofactors in order to find adjoint of Matrix. In this exercise the main mistake occur due the selection of sign of cofactors, so be careful during the calculation of cofactors.

अगर आप सारणिकों के सहखंड निकलना जानते हैं तो आगे आने वाली प्रश्नावलियों में कोई भी दिक्कत नहीं होगी क्योंकि इसकी आवश्यकता लगभग पूरे अध्ध्याय में पड़ती है। सहखंडों को निकलते समय चिन्हों का विशेष ध्यान रखना चाहिए क्योंकि अधिकतर गलतियाँ अक्सर चिन्हों के कारण ही होती हैं।