Maths Vector Algebra CBSE 12 Science Answers for MCQ in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides Maths Vector Algebra CBSE 12 Science Answers for MCQ 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 scalar quantities from the following:
(i) 10 kg (ii) 2 m north-west (iii)
(iv) 40 W (v) (vi)
(View Answer Video)
Question 2 : Write the position vector of the point which divides the join of points with position vectors and
in the ratio 2:1. (View Answer Video)
Question 3 : Write a unit vector in the direction of the sum of vectors and
(View Answer Video)
Question 4 : Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|. (View Answer Video)
Question 5 : if a, b, c are unit vectors such that a + b + c = 0, then find the value of a.b + b.c + c.a. (View Answer Video)
Question 1 : Find the co-ordinates of the point where the line through the points A (3, 4, 1) and B (5, 1, 6) crosses the XY-plane. (View Answer Video)
Question 2 : Find the equation of plane passing through the line of intersection of the planes and
and passing through the point (3, -2, -1). Also, find the angle between the two given planes. (View Answer Video)
Question 3 : Find the equation of the plane passing through the point (-1, 3, 2) and perpendicular to each of the planes x + 2y + 3z = 5 and 3x + 3y + z = 0. (View Answer Video)
Question 4 : Write the equation of the straight line through the point and parallel to z-axis. (View Answer Video)
Question 5 : Find the distance of the plane : 3x - 4y + 12z = 3 from the origin. (View Answer Video)
Question 1 : A function defined as
is, (View Answer Video)
Question 2 : Let A = {1, 2, 3, 4} and let R = {(2, 2), (3, 3), (4, 4), (1, 2)} be a relation on A. Then, R is, (View Answer Video)
Question 3 : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ). (View Answer Video)
Question 4 : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ) . (View Answer Video)
Question 5 : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N? (View Answer Video)
Question 1 : Evaluate the determinant: . (View Answer Video)
Question 2 : Evaluate . (View Answer Video)
Question 3 : If a, b, c are in A.P., then the determinantis (View Answer Video)
Question 4 : If , then x is equal to, (View Answer Video)
Question 5 : The following system of equations has x + 3y + 3z = 2, x + 4y + 3z = 1, x + 3y + 4z = 2,
(View Answer Video)