1 | P a g e Mathematics Notes for Class 12 chapter 4. Determinants Determinant Every square matrix A is associated with a number, called its determinant and it is denoted by det (A) or |A| . Only square matrices have determinants. The matrices which are not square do not have determinants (i) First Order Determinant If A = [a], then det (A) = |A| = a (ii) Second Order Determinant |A| = a a – a a 11 22 21 ...
NCERT Solutions for Class 12 Maths Chapter 4 Determinants Exercise 4.6 Page No: 136 Examine the consistency of the system of equations in Exercises 1 to 6. 1. x +2y = 2: and 2x + 3y = 3 Solution: Given set of equations is : x +2y = 2: and 2x + 3y = 3 This set of equation can be written in the form of matrix as AX = B, where So, AX = B is Inverse of ...
HOLIDAY HOMEWORK CLASS-XII-SCIENCE Mathematics-Do NCERT questions of Matrix, Determinants, Relations and Functions Chemistry-Do NCERT exercise of Ch - Solution English 1. 'Every human being is an escapist at some or the other level craving for a refuge in some orthe other thing'. Justify this statement in the light of the chapter 'The Third Level' by Jack Finney and your own observation of life prevailing around. (Word limit 150-200) 2. Make a comic strip of the chapter ‘ The ...
CHAPTER – 4: DETERMINANTS MARKS WEIGHTAGE – 10 marks NCERT Important Questions & Answers 1. If x 2 6 2 , then find the value of x. 18 x 18 6 Ans: Given that x 2 6 2 18 x 18 6 On expanding both determinants, we get 2 x × x − 18 × 2 = 6 × 6 − 18 × 2 x − 36 = 36 − 36 2 2 x − 36 = 0 x = ...
CBSE Class 12 Commerce Books for Mathematics Mathematics by NCERT:This book includes topics like relations and functions, matrices, determinants, inverse trigonometric functions, application of derivatives, integrals, application of integrals, differential equations, vector algebra, etc. The cost of the book is Rs. 160 Reference Books for Class 12 Mathematics Here is the list of reference books for the preparation of CBSE Class 12 Mathematics. Book Name Author Description Price Gupta- Dr. V.K. The salient features of this book are higher-order ...
MATHS BOOKS NCERT MATHS (ENGLISH) DETERMINANTS Short Answer Type Questions 2 x −x+1 x−1 1. evaluate: x +1 x +1 Watch Video Solution a + x y z 2. evaluate: x a +y z x y a +z Watch Video Solution 2 2 0 xy xz 2 2 3. evaluate: x y 0 yz 2 2 x z zy 0 Watch Video Solution 3x −x+y −x+z 4. evaluate: x − y 3y z − y x ...
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