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

Expert Teacher provides MCQ Answers for CBSE Maths 12 Science Vector Algebra 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 a unit vector parallel to the sum of vectors and **

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

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

**Question 1** : Find the unit vector in the direction of if and (View Answer Video)

**Question 2** : Find the value of if the points with position vectors and are coplanar. (View Answer Video)

**Question 3** : Write a unit vector in the direction of the sum of vectors and (View Answer Video)

**Question 4** : Find the angle between the vectors and (View Answer Video)

**Question 5** : Find a unit vector parallel to the sum of vectors and (View Answer Video)

**Question 1** : Find the area of the region . (View Answer Video)

**Question 2** : Find the area of the region bounded by the curves and x = 3. (View Answer Video)

**Question 3** : A farmer has a field of shape bounded by and x = 3, he wants to divide this into his two sons equally by a straight line x = c. Can you find c? What value, you find in the person ? (View Answer Video)

**Question 4** : Using integration, find the area of the triangle formed by a positive x-axis and tangent and normal to the circle at . (View Answer Video)

**Question 5** : Find the area of the smaller region bounded by the ellipse and the straight line 8x + 3y = 12. (View Answer Video)

**Question 1** : Write the principal value of (View Answer Video)

**Question 2** :

Write the value of the following:

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

**Question 4** : is equal to :

(View Answer Video)

**Question 5** : Using principal values, write the value of

(View Answer Video)

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

**Question 2** : If A is a symmetric matrix, then ? (View Answer Video)

**Question 3** : The solution of the following system of equation is 2x + 3y = 5, 5x – 2y = 3. (View Answer Video)

**Question 4** : If a, b, c are in AP, then determinant . (View Answer Video)

**Question 5** : Let , where . THhen (View Answer Video)