NCERT Solutions and Notes for CBSE Class 11 Maths

Check CBSE Class 11 Maths Syllabus 2020-21 (reduced by 30%) and view it . The link to view CBSE Syllabus for Class 11 Maths 2020-21 is given at the end of this article. This latest CBSE Maths Syllabus for Class 11 contains complete details about units and chapters to be studied in the academic session 2020-21.

CBSE Class 11 Maths Syllabus 2020-21: (Reduced By 30%)

*No chapter/unit-wise weightage. Care  to be taken to cover all the chapters.

Unit-I: Sets and Functions

1. Sets (14) Periods 

Sets and their representations. Empty set. Finite and Infinite sets. Equal sets. Subsets. Subsets of a set of real numbers especially intervals (with notations). Power set. Universal set. Venn diagrams. Union and  Intersection of sets.

2. Relations & Functions  (15) Periods

Ordered pairs. Cartesian product  of sets. Number  of elements in the Cartesian product  of two finite sets. Cartesian product  of the  set of reals with itself ( R x R only).Definition of relation, pictorial diagrams, domain, co-domain and  range of a  relation. Function as a  special type  of relation. Pictorial representation of a  function, domain, co-domain and  range of a  function. Real valued functions, domain and  range of these functions, constant, identity, polynomial, rational, modulus, signum, exponential, logarithmic and greatest integer functions, with their graphs.

3. Trigonometric Functions (14 Periods)

Positive and  negative angles.  Measuring angles in radians and  in degrees and  conversion from one  measure to another. Definition of trigonometric functions with the  help of unit circle. Truth of the  identity sin²x + cos²x = 1, for all x. Signs of trigonometric functions. Domain and  range of trigonometric functions and  their graphs. Expressing sin (x±y) and  cos (x±y) in terms of sinx, siny, cosx & cosy and their simple applications. 

Deducing identities like the following:

Identities related to sin2x, cos2x, tan2 x, sin3x, cos3x and tan3x.

Identities related to sin 2x, cos 2x, tan 2x, sin 3x, cos 3x and  tan 3x. General solution of trigonometric equations of the type sin y = sin a, cos y = cos a and tany = tan a.

Unit-II: Algebra

1. Complex Numbers and Quadratic Equations (10 Periods)

Need  for complex numbers, especially √−1, to  be motivated by inability to solve some of the quadratic equations. Algebraic properties of complex numbers. Argand plane. Statement of Fundamental Theorem of Algebra, solution of quadratic equations (with real coefficients) in the complex number system.

2. Linear inequalities (15 Periods)

Linear inequalities. Algebraic solutions of linear inequalities in one variable and their representation on the number line. Graphical solution of linear inequalities in two variables. Graphical method of finding a solution of system of linear inequalities in two variables.

3. Permutations and Combinations (8 Periods)

Fundamental principle of counting. Factorial n. (n!) Permutations and combinations, formula for ⁿPr and ⁿCr, simple applications.

4. Sequence and Series (8 Periods)

Sequence  and   Series.  Arithmetic  Progression  (A.  P.).   Arithmetic  Mean   (A.M.)  Geometric Progression (G.P.),  general term  of a G.P.,  sum of n terms of a G.P.,  infinite G.P.  and  its sum, geometric mean (G.M.), relation between A.M. and G.M.

Unit-III: Coordinate Geometry

1. Straight Lines (8 Periods)

Brief recall of two dimensional geometry from earlier classes. Slope of a line and  angle between two lines. Various forms of equations of a line: parallel to axis, point -slope form, slope-intercept form, two-point form, intercept form and normal form. General equation of a line. Distance of a point from a line.

2. Conic Sections (15Periods)

Sections of a cone:  circles, ellipse, parabola, hyperbola. Standard equations and simple properties of parabola, ellipse and hyperbola. Standard equation of a circle.

3. Introduction to Three-dimensional Geometry (10 Periods)

Coordinate axes and  coordinate planes in three  dimensions. Coordinates of a  point. Distance between two points and section formula.

Unit-IV: Calculus

1. Limits and Derivatives (30 Periods)

Derivative introduced as rate of change both as that of distance function and geometrically. Intuitive idea of limit.  Limits of polynomials and rational functions trigonometric, exponential and logarithmic functions .Definition of derivative relate it  to  scope of tangent of the  curve,  derivative of sum, difference, product  and quotient of functions. Derivatives of polynomial and trigonometric functions.

Unit-V: Statistics and Probability

1. Statistics (11 Periods)

Measures of Dispersion: Range, Mean deviation, variance and standard deviation of ungrouped/grouped data.

2. Probability (10 Periods)

Random  experiments;  outcomes,  sample  spaces  (set representation). Events;  occurrence  of events, ‘not’, ‘and’ and  ‘or’ events, exhaustive events, mutually exclusive events, Probability of an event, probability of ‘not’, ‘and’ and  ‘or’ events.

Mathematics Question Paper Design Class – XI (2020-21)

Time : 3 Hours,  Max. Marks: 80

No chapter wise weightage. Care to be taken to cover all the chapters

Suitable internal variations may be made for generating various templates keeping the overall weightage to different forms of questions and typology of questions the same.

Choice(s):

– There will be no overall choice in the question paper.

– However, 33% internal choices will be given in all the sections

However, 33% internal choices will be given in all the sections