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

Expert Teacher provides Vector Algebra CBSE Maths 12 Science MCQ Answers through Video Answers 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 Answer in a narrative video format.

** Question:**

** Find the projection of the vector on the vector **

** Answer Video in** **English****:**

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

**Question 1** : 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 2** : Find a vector in the direction of vector which has magnitude 8 unit. (View Answer Video)

**Question 3** : Find a unit vector parallel to the sum of vectors and (View Answer Video)

**Question 4** : Find a vector in the direction of that has magnitude 7 units. (View Answer Video)

**Question 5** : Find the direction of the vector (View Answer Video)

**Question 1** : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)

**Question 2** : Find the value of k, if the area of the triangle is 4 sq unit and vertices are (-2, 0), (0, 4), (0, k). (View Answer Video)

**Question 3** : Find the second order derivative of the function . (View Answer Video)

**Question 4** : Differentiate the function w.r.t.x . (View Answer Video)

**Question 5** : Using the fact that and the differentiation, obtain the sum formula for cosines. (View Answer Video)

**Question 1** : Given, , find the value of z. (View Answer Video)

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

**Question 3** : Find the value of Y, if and . (View Answer Video)

**Question 4** : Find the value of x from the equation: . (View Answer Video)

**Question 5** : Find the value of z, if . (View Answer Video)

**Question 1** : Find the particular solution of the differential equation given that where x = 1. (View Answer Video)

**Question 2** : Form the differential equation of equation y = a cos 2x + b sin 2x, where a and b are constant. (View Answer Video)

**Question 3** : Find the differential equation of the family of lines passing through the origin. (View Answer Video)

**Question 4** : Obtain the differential equation of all the circles of radius r. (View Answer Video)

**Question 5** : Solve the differential equation (View Answer Video)