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

Expert Teacher provides 12 Science Maths CBSE Answers for MCQ 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:**

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

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

**Question 1** : Find the value of if the points with position vectors and are coplanar. (View Answer Video)

**Question 2** : Find if the vectors and are coplanar. (View Answer Video)

**Question 3** : Find the scalar quantities from the following:

(i) Time period (ii) Distance (iii) Force

(iv) Velocity (v) Work done (View Answer Video)

**Question 4** : Find the direction of the vector (View Answer Video)

**Question 5** : Find the scalar components of the vector with initial point A (2, 1) and terminal point B (-5, 7). (View Answer Video)

**Question 1** : Using principal values, write the value of

(View Answer Video)

**Question 2** : Write in the simplest form:

(View Answer Video)

**Question 3** : If , then write the value of. (View Answer Video)

**Question 4** : Write the principal value of (View Answer Video)

**Question 5** : If then find the value of x. (View Answer Video)

**Question 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)

**Question 1** : The following system of equations has x + 3y + 3z = 2, x + 4y + 3z = 1, x + 3y + 4z = 2,

(View Answer Video)

**Question 2** : If find |A|. (View Answer Video)

**Question 3** : Let A be the non- singular square matrix of order , then |adj A| is equal to, (View Answer Video)

**Question 4** : Find the equation of the line joining (3, 1) and (9, 3) using determinants. (View Answer Video)

**Question 5** : Find the inverse of the matrix . (View Answer Video)