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

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

** Find if the vectors and are coplanar. **

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

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

**Question 1** : Find the sum of the vectors and (View Answer Video)

**Question 2** : Compute the magnitude of the following vectors:

(View Answer Video)

**Question 3** : Find the vector quantities :

(i) Work (ii) Force

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

**Question 4** : Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|. (View Answer Video)

**Question 5** : For given vectors,and find the unit vector in the direction of the vector a + b. (View Answer Video)

**Question 1** : Find the angle between the planes 7x + 2y + 6z = 15 and 3x - y + 10z = 17. (View Answer Video)

**Question 2** : If a line makes angles with the positive direction of co-ordinate axes, then write the value of (View Answer Video)

**Question 3** : If the cartesian equations of a line are write the vector equation for the line. (View Answer Video)

**Question 4** : Find the equation of the plane with intercept 3 on the y-axis and parallel to ZOX plane. (View Answer Video)

**Question 5** : Write the vector equation of the plane passing through the point (a, b, c) and parallel to the plane (View Answer Video)

**Question 1** : Evaluate : (View Answer Video)

**Question 2** : (View Answer Video)

**Question 3** : Find:

(View Answer Video)

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

**Question 5** : Evaluate : (View Answer Video)

**Question 1** : On which of the following intervals in the function strictly decreasing? (View Answer Video)

**Question 2** : Find two numbers whose sum is 24 and whose product is as large as possible. (View Answer Video)

**Question 3** : The maximum value of is (View Answer Video)

**Question 4** : The point on the curve which is nearest to the point (0, 5) is (View Answer Video)

**Question 5** :

The total revenue in Rupees received from the sale of 'x' units of a product is given by :

The marginal revenue, when x=15 is :