CBSE MCQ in English Solutions for Maths 12 Science Vector Algebra to enable students to get Solutions in a
narrative video format for the specific question.

Expert Teacher provides CBSE MCQ Solutions for Maths 12 Science Vector Algebra through Video Solutions in
English language. This video solution will be useful for students to understand how to write an answer
in exam in order to score more marks. This teacher uses a narrative style for a question from Vector Algebra not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Solution in a narrative video format.

** Question:**

** Write the value of for which the vectors and are parallel vectors. **

** Solution Video in** **English****:**

You can select video Solutions from other languages also. Please check Solutions in
(
Hindi )

## Similar Questions from CBSE, 12th Science, Maths, Vector Algebra

**Question 1** : Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|.

**Question 2** : Find the projection of the vector on the vector

**Question 3** : Find the sum of the vectors :

**Question 4** : Write a vector in the direction of the vector that has magnitude 9 units.

**Question 5** : Write a unit vector in the direction of the sum of vectors : and

### Questions from Other Chapters of CBSE, 12th Science, Maths

### Relations and Functions

**Question 1** : * is a binary operation on Z such that: a * b = a + b + ab. The solution of (3* 4) *x = – 1 is,

**Question 2** : Let be defined as f(x) = 3x. Choose the correct answer.

**Question 3** :
Let R be the relation in the set N given by R ={(a, b): a = b - 2, b > 6}. Choose the correct answer.

**Question 4** : A function is surjective if and only if ,

**Question 5** : The identity element for the binary operation * defined by a * b = , where a, b are the elements of a set of non-zero rational numbers, is,

### Integrals

**Question 1** : Find the integral of the function .

**Question 2** : Write an antiderivative for the function, using the method of inspection.

**Question 3** : Find: .

**Question 4** :

**Question 5** : .

### Application of Integrals

**Question 1** : Using integration, find the area of the co-ordinates whose vertices are P(2,0), Q(4, 5) and R(6,3).

**Question 2** : Find the area enclosed by the parabola and the line 2y = 3x + 12.

**Question 3** : Using integration, find the area of the region bounded by the line 2x + y = 4, 3x - 2y = 6 and x - 3y + 5 = 0.

**Question 4** : Using the method of integration find the area of the region bounded by lines:

2x + y = 4, 3x - 2y = 6 and x - 3y + 5 = 0.

**Question 5** : Find the area bounded by the curve y = sin x between x = 0 and