This blog is all about Class 11th Mathematics removed parts as NCERT removed some chapters ,topics and sub topics of all the subjects from class 6th to class 12th .It released the list of rationalised content of the subjects in 2023.
Here are the detailed list of Chapters ,Topics and Sub topics of class 11th Mathematics which have been removed by NCERT.
Sets (Chapter-1) of class 11th mathematics removed parts –
(a) From chapter sets , power sets has been removed. It’s definition in section 1.7 at page no. 12 and it’s question at Q. No. 5 of Exercise 1.3 at page no. 13.
(b) Whole subtopic- Practical problems on union and Intersection of two sets in section 1.12 and it’s examples between page no. 21 to 23 has been removed. Exercise related to this is exercise 1.6 at page no. 24 also removed.
At page. No. 25 and 26 examples 31 to 34 and question no. 6, 7 and question no. 13 to 16 in miscellaneous exercise are related to removed parts. So these are also removed.
Last point in summary is about union and intersection of sets, so removed.
No change in chapter No. 2 which is Relations and Function.
Trigonometric Functions of class 11th mathematics removed parts-
(a) Whole sub – topic Trigonometric Equations in section 3.5 between page no. 74 to 78 which contains definition, formulae, examples and exercise 3.4 has been removed. Last 5 points in the summary is related to Trigonometric Equation, So removed.
(b) At page no. 466-473, proofs and simple applications of sine and cosine formula has been removed.
Full chapter principle of Mathematics Induction which is between page numbers 86 to 96 has been removed.
Complex Number (Chapter-5) removed parts-
(a) Polar representation of a complex number which is in section 5.5.1 , it’s rules, examples and it’s exercise 5.2 between page no. 106 to 108 has been removed.
(b) Quadratic Equation in section 5.6, it’s example (example 11) and exercise related to this (Exercise- 5.3) at page no. 108 and 109 has been removed.
Examples 13, 15, 16 at page no. 110-111 are related to polar form and Trigonometric Equation, so removed. At page no. 112 and 113, question number 5 to 8, 9 and 13 in Miscellaneous Exercisege and last 3 points in summary at page no. 114 are related to removed polar representation and quadratic equation, so removed.
(c) Square root of complex number is section 5.7 at page no. 474 and 475 has been removed.
Linear Inequalities (Chapter-6) of class 11th mathematics removed parts-
(a) Graphical solution of Linear Inequalities in Two variable in section 6.4, it’s examples and exercise 6.2 between page number 123 to 127 has been removed.
(b) Solution of system of Linear Inequalities in two variables, it’s examples and exercise 6.3 between page no. 127 to 129 has been removed.
Last 3 points in the summary at page no. 176 are related to removed sub-topic, so removed.
No change In chapter no. 7 which is permutation and combinations
Binomial Theorem (Chapter-8) removed parts-
(a) General Middle term in section 8.3, it’s rules, examples 5-9, it’s exercise 8.2 between page no. 167-171 and Miscellaneous examples 10-17 at page no. 171 and 172 has been removed. In Miscellaneous exercise on chapter 8 page no. 175, question number 1, 2, 3 and 8 has been removed. Last two points in summary at page no. 176 are related to removed section, so removed.
Sequences and Series (Chapter-9) removed portion-
(a) Whole A.P. (Arithmetic Progression) in section 9.4, it’s examples between example no. 4 to 8 (at section 9.4.1- Arithmetic mean also) and exercise 9.2 between page no. 181 to 186 has been removed.
(b) Sum of n terms of special series in section 9.7, it’s examples 19, 20 and exercise- 9.4 between page no. 194 to 196 has been removed. Example 21, 22 and 24 and question no. 1-6, 12, 15, 16, 20, 23 of miscellaneous exercise at page no. 199 and 200 includes A.P. and sum of n terms has been removed. Points 3 and 4 is summary at page no. 201 has been removed.
Straight Lines (Chapter-10) of class 11th mathematics removed parts-
(a) Co linearity of three points in section 10.2.4 examples of this , example 4 and 5 and question of this, question no. 8, 13 and 14 in Exercise 10.1 between page no. 210-212 has been removed.
(b) Normal form of a straight line in section 10.3.6, it’s examples 10, 11, 12 and question no. 8 in exercise 10.2 between page no. 217-219 has been removed.
(c ) General form of a line is section 10.4 and example 10 to 17 related to it between page no. 220-224 has been removed.
Question no. 3 is exercise 10.3 at page no. 227 and Question no. 2 of miscellaneous exercise at page no. 233 are related to normal form, so removed. Fourth last point of summary is also about normal term, so removed.
(d) Whole section 10.6 about Equation of family of lines passing through the point of intersection of two lines at page no. 477 and 478 removed.
(e) Section 10.7 about shifting of origin at page no. 478-480 has been removed.
Conic section (Chapter- 11) removed parts-
Special cases of an Ellipse are section 11.5.2 at page no. 248 has been removed.
Introduction to three Dimensional Geometry removed parts-
(a) Section formula in section 12.5, it’s examples and exercise 12.3 between page no. 273-277 has been removed. Question No. 4 and 5 of miscellaneous exercise at page no. 278 and 279 has been removed. Last 3 points in summary at page no. 280 are also removed.
Limits and Derivative (Chapter 13) – No Change.
Mathematical Reasoning (Chapter- 14) Removed
Full chapter between page no. 321 to 346 has been removed.
Statistics (Chapter-15) of class 11th mathematics removed parts-
(a) Analysis of Frequency Distribution is section 15.6, it’s examples and it’s exercise 15.3 between page no. 372 to 376 has been removed. Question no. 6 of miscellaneous exercise and first 2 points in summary are related to above at page no. 380 and 381 have been removed.
Probability (Chapter 16) removed parts-
Introduction in section 16.1, random experiment in section 16.2, it’s examples and it’s exercise 16.1 between page no. 383 to 387 has been removed.
First 2 points in summary at page no. 41 has been removed.
You can see the rationalised content of all the subjects of class 6th to 12th released by NCERT on it’s official website https://ncert.nic.in/rationalised-content.php
