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

Expert Teacher provides CBSE Maths 12 Science MCQ Vector Algebra Solutions 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 the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1), directed from A to B. (View Answer Video)

**Question 2** : Find the position vector of c which divides the line segment joining A & B whose position vectors are and internally in the ratio

2 : 3. (View Answer Video)

**Question 3** : Find the unit vector in the direction of vector PQ, where P and Q are the points (1, 2, 3) and (4, 5, 6) respectively. (View Answer Video)

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

**Question 5** : P and Q are two points with position vectors and respectively. Write the position vector of a point R which divides the line segment PQ externally in the ratio 2:1. (View Answer Video)

**Question 1** : Find the value of t, if . (View Answer Video)

**Question 2** : Let Find 3A - C. (View Answer Video)

**Question 3** : Let Find A - B. (View Answer Video)

**Question 4** : If, find the value of y. (View Answer Video)

**Question 5** : Find the value of z from the equation: . (View Answer Video)

**Question 1** : Find the differential equation of the family of lines passing through the origin. (View Answer Video)

**Question 2** : Solve the differential equation (View Answer Video)

**Question 3** : Find the particular solution of the differential equation given that where x = 1. (View Answer Video)

**Question 4** : Find the general solution of differential equation (View Answer Video)

**Question 5** : Find the particular solution of the differential equation given that When x =1. (View Answer Video)

**Question 1** : Solve for

(View Answer Video)

**Question 2** : Write the value of the following:

(View Answer Video)

**Question 3** : If then find the value of x. (View Answer Video)

**Question 4** : Find the principal value of sin^{-}^{1 .} (View Answer Video)

**Question 5** : Solve the equation :

(View Answer Video)