CBSE Class 12 Mathematics Answer Key 2021 (Term 1) , MCQ Solved, PDF

CBSE Class 12 Mathematics Answer Key 2021 Here, I will discuss the CBSE Class 12 mathematic Answer Key, CBSE Class 12 Mathematics Term 1 Answer Key. Today CBSE 12th Mathematics  Exam end and students are waiting CBSE 12th Mathematics terms 1 answer key. The Answer for CBSE Class 12th Will be published In online format by the Central Council for Secondary Education. After the announcement of the CBSE 12th 2022 Result, Students will receive the answer sheet of the CBSE class 12th topper. On its official website. The answer PDF will be accessible.

CBSE Class 12 Term 1 Mathematics Answer Key 2021 

Many students have already taken admission to the CBSE class 10th and 12th (Science, Arts, Commerce) for the academic year 2021 – 2022. I inform all students that the CBSE Exam has been divided the two parts this year: Semester 1 ( Nov – Dec ) & Semester 2 ( Feb – March ).

CBSE class 12 Mathematics Answer key 2021

Board Name	CBSE (Central Board of Secondary Education)
Class Name	12th class
Answer Key Name	Math class 12 answer key
Result Check	CBSE class 12 mathematics term 1 answer key
Official Site	Cbse.gov.in

Today CBSE Maths paper ends. CBSE will publish the answer key of CBSE 12th mathematics term 1 answer key 2021-22 pdf. The CBSE Answer key for the 12th Mathematics Subject will help students to know the correct answer to the question and prepare for CBSE 12 Board. Exam.

Now that all students are looking for CBSE 12th sample paper everywhere for the Feb-march exam. We recommend that all students organization provide sample papers for the 12th and 10th-grade exams based on the previous exam.

CBSE Students should not waste their time searching CBSE sample papers everywhere. Keep preparing for your exam. I will provide here all sample paper links through this website.

CBSE Class 12 maths answer key 2021

CBSE 12th Maths Answer Key 2021-22 Chart

Question No.	Answer
1.	C
2.	B
3.	B
4.	D
5.	D
6.	B
7.	A
8.	C
9.	C
10.	C
11.	C
12.	D
13.	A
14.	B
15.	A
16.	C
17.	D
18.	B
19.	C
20.	A
21.	D
22.	B
23.	C
24.	B
25.	A
26.	C
27.	A
28.	B
29.	D
30.	C
31.	D
32.	A
33.	C
34.	C
35.	A
36.	A
37.	B
38.	B
39.	A
40.	D
41.	A
42.	C
43.	A
44.	D
45.	B

How to Read CBSE 12th Maths Answer key PDF?

The Answer key pdf of CBSE 12th maths 2021 is available on CBSE academic Website.

Students Should Follow these steps to easily Read CBSE class 12 Maths Answer key 2021.

• Firstly, Visit the CBSE Academic website cbseacademic.nic.in.
• On the CBSE Homepage, Click on the CBSE Class 12 term 1 answer key.
• Now the choose the mathematics subject and click on it.
• 12th mathematics answer key open on your mobile/computer screen.
• Then Read the answer key Cbse class 12th mathematics and calculate your scores.

How to Calculate the score using the Cbse 12th Mathematics Answer Key?

Students follow these steps to calculate the score of 12th maths cbse.

• After Load the Answer key.
• Match your question answer to downloading the CBSE official answer key.
• 1 marks add per Correct Answer
• Add all correct answer marks to expect your total marks.

Note: Students should Read the answer key only CBSE Accedmic website then match your answer to your answer.

CBSE 12 Mathematics Term 1 Syllabus

Serial No.	Units	Marks
1.	Relation and Function	08
2.	Algebra	10
3.	Calculus	17
4.	Linear Programming	05

 Unit-1: Relation and Function

1. Relation and Function

Types of relations: Reflexive, Symmetric, Transitive and equivalence relations, one to one and onto functions.

2. Inverse Trigonometric Functions

Definition, range, domain, principal value branch

Unit-2: Algebra

1. Matrices

Concept, notation, order, equality types of matrices, zero and identity matrix, transpose of a matrix, symmetric and skew-symmetric matrices. Operation on matrices: Addition and multiplication and multiplication with a scalar, Simple properties of addition, multiplication and scalar multiplication, Non- commutativity of multiplication of matrices, Invertible matrices; (Here all matrices will have real entries).

2. Determinants

Determinant of a square matrix (up to 3 x 3 matrices), minors, co-factors and applications of determinants in finding the area of a triangle, Adjoint and inverse of a square matrix. Solving system of linear equations in two or three variables (having unique solution) using the inverse of a matrix.

Unit-3: Cateulus

1. Continuity and Differentiability

Continuity and differentiability, a derivative of composite functions, chain rule, derivative (of inverse trigonometric functions, derivative of implicit functions. Concept of exponential and logarithmic functions.

Derivatives of logarithmic and exponential functions. Logarithmic differentiation, derivative of functions expressed in parametric forms. Second-order derivatives.

2. Applications of Derivatives

Applications of derivatives: increasing/decreasing functions, tangents and normals, maxima and minima first derivative test motivated geometrically and second derivative test given as a provable tool). Simple problems (that illustrate basic principles and understanding of the subject as well as real-life situations).

Unit-4: Linear Programming

Introduction, related terminology such as constraints, objective function, optimization, different types of linear programming (L.P.) problems. Graphical method of solution for problems in two variables, feasible and infeasible regions (bounded), feasible and infeasible solutions, optimal feasible solutions (up to three non-trivial constraints.

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