CBSE Maths 12 Science Vector Algebra MCQ 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 Vector Algebra MCQ 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** : 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 2** : Find a vector of magnitude making an angle of with x-axis, with y-axis and an acute angle with z-axis. (View Answer Video)

**Question 3** : Find the unit vector in the direction of if and (View Answer Video)

**Question 4** : L and M are two points with position vectors and respectively. Write the position vectors of a point N which divides the line segment LM in the ratio 2:1 externally. (View Answer Video)

**Question 5** : Find the value of if the points with position vectors and are coplanar. (View Answer Video)

**Question 1** : Prove that : (View Answer Video)

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

**Question 3** : (View Answer Video)

**Question 4** : Evaluate the following : (View Answer Video)

**Question 5** : Write the value of :. (View Answer Video)

**Question 1** : Differentiate w.r.t.x the function . (View Answer Video)

**Question 2** : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)

**Question 3** : Differentiate w.r.t.x. (View Answer Video)

**Question 4** : Find for the function . (View Answer Video)

**Question 5** : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)

**Question 1** : If A is a square matrix of order 3 and |A| = 5 then |3A| = ? (View Answer Video)

**Question 2** : Find the adjoint of the matrix . (View Answer Video)

**Question 3** : If A is an invertible matrix of order 2, then is equal to, (View Answer Video)

**Question 4** : If A is a symmetric matrix, then ? (View Answer Video)

**Question 5** : If a, b, c are in AP, then determinant . (View Answer Video)