12 Science Maths CBSE Answers for MCQ Vector Algebra in English

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:

 Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from B to A.

Answer Video in English:

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

Similar Questions from CBSE, 12th Science, Maths, Vector Algebra

Question 1 : Find the value of Questionif the points with position vectors Question and Questionare coplanar.  (View Answer Video)

Question 2 : Find Question if the vectors Question and Question 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 Question (View Answer Video)

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

Questions from Other Chapters of CBSE, 12th Science, Maths

Inverse Trigonometric Functions

Question 1 : Using principal values, write the value of
 Question  (View Answer Video)

Question 2 : Write in the simplest form:
Question (View Answer Video)

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

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

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

Linear Programming

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

Determinant

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 Question find |A|. (View Answer Video)

Question 3 : Let A be the non- singular square matrix of order Question, 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 Question. (View Answer Video)