DETERMINANTS Exercise 4.2 Q11 Important | Class 12 Maths NCERT Solution | Properties of Determinants - Videos

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NCERT CHAPTER 4 DETERMINANTS Exercise 4.2 Complete Playlist Link

By Nitesh Choudhary
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Class 12 NCERT Exercise 4.2 Question 11 is discussed in this video.

In this video, we will learn the use of FIFTH CONCEPT in proving questions of determinants – using properties of determinants and without expanding.
CONCEPT: Creating RHS factors by adding rows or columns in LHS of determinant and then creating two zeros in a row or a column, if there are three 1’ given
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Some Important Links are given below:

MATHEMATICAL REASONING IIT JEE Concepts Playlist Link

STATISTICS IIT JEE Concepts Playlist Link

Sum of Series IIT JEE Concepts Playlist Link

Permutation and Combination IIT JEE Concepts Playlist Link

Binomial Theorem IIT JEE Concepts Playlist Link

Complex Numbers Maximum and Minimum Value IIT JEE Concepts Playlist Link

Physics Formulae Revision Playlist Link

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Determinants lecture and concepts, NCERT ClassXII Maths ( Exercise 4.2 based on Properties of Determinant), DETERMINANTS EXERCISE 4.2 CLASS XII QUESTION 1 TO 9 SOLUTIONS CBSE NCERT, Ex 4.2 determinants Ncert textbook 12 chap 4 complete solutions, DETERMINANTS EXERCISE 4.3 MATHS NCERT SOLUTIONS CLASS 12 BY DINESH MIGLANI SIR, Determinant CBSE Class 12 Mathematics Chapter 4 ( NCERT), class 12 maths chapter 4 determinants, Properties of Determinant | CBSE XII Maths & Competitive exams | NCERT XII Maths Ex4.2, Class 12 Maths CBSE Determinants 04, Determinant of a matrix, Evaluate the determinant, The value of the determinant remains unchanged if its rows and columns are interchanged, If any two rows (or columns) of a determinant are interchanged, then sign of determinant changes, If any two rows (or columns) of a determinant are identical (all corresponding elements are same), then value of determinant is zero, If each element of a row (or a column) of a determinant is multiplied by a constant k, then its value gets multiplied by k, The value of determinant of a skew symmetric matrix of odd order is zero, If some or all elements of a row or column of a determinant are expressed as sum of two (or more) terms, then the determinant can be expressed as sum of two (or more) determinants, If, to each element of any row or column of a determinant, the equimultiples of corresponding elements of other row (or column) are added, then value of determinant remains the same
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3 COMMENTS

  1. Thanku sooooooo much sir….ur concepts to solve the questions have helped me a lot to solve varities of RD sharma questions….thanku so much…u made me so happy and doing sums like flowing water…god will bless u alwayssssss

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