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

Expert Teacher provides Solutions for MCQ CBSE 12 Science Maths 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:**

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

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

**Question 1** : Find a vector in the direction of vector which has magnitude 21 units. (View Answer Video)

**Question 2** : Find the scalar components of the vector with initial point A (2, 1) and terminal point B (-5, 7). (View Answer Video)

**Question 3** : If and denote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C. (View Answer Video)

**Question 4** : Find if and (View Answer Video)

**Question 5** : Find the scalar quantities :

(i) Work (ii) Force

(iii) Velocity (iv) Displacement. (View Answer Video)

**Question 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)

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

**Question 2** : Find the area of the region bounded by the curve and . (View Answer Video)

**Question 3** : Using integration find the area of region bounded by the triangle whose vertices are (-1, 0), (1, 3) and (3, 2). (View Answer Video)

**Question 4** : Find the area bounded by the curve and the line x = 4y - 2. (View Answer Video)

**Question 5** : Find the area of the region enclosed by the parabola the line y = x + 2. (View Answer Video)

**Question 1** : If is a relation on N, write the range of R. (View Answer Video)

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

**Question 3** : Let defined as f(x) = x be an identity function. Then, (View Answer Video)

**Question 4** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

**Question 5** : The function, f(x) = 2x + 1 is, (View Answer Video)