CBSE MCQ in English Solutions for Maths 12 Science Vector Algebra

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

Expert Teacher provides CBSE MCQ Solutions for Maths 12 Science Vector Algebra 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:

Write a unit vector in the direction of the sum of vectors : Questionand Question 

Solution Video in English:

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

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

Question 1 : Find the scalar quantities : 
(i)     Work                     (ii)      Force
(iii)   Velocity                 (iv)     Displacement.   (View Answer Video)

Question 2 : Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|. (View Answer Video)

Question 3 : Find the scalar components of the vector Questionwith initial point A (2, 1) and terminal point B (-5, 7).  (View Answer Video)

Question 4 :  Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from B to A. (View Answer Video)

Question 5 : Find the magnitude of two vectors a and b having the same magnitude and such that the angle between them is Questionand their scalar product is 1/2. (View Answer Video)

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

Differential Equations

Question 1 : Find the general solution of differential equation Question (View Answer Video)

Question 2 : Form the differential equation of the family of circles touching the x-axis at origin .  (View Answer Video)

Question 3 : Find the particular solution of the differential equation :
Question  when x = 1, Question  (View Answer Video)

Question 4 : Find the solution of the differential equation Question (View Answer Video)

Question 5 : Find the particular solution of the differential equation Question given that y = 0 when x = 1. (View Answer Video)

Probability

Question 1 :  If E and F are independent events, then show thatQuestion and Question
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Question 2 : A pair of coins is tossed once. Find the probability of showing atleast one head. (View Answer Video)

Question 3 : Consider the experiment of tossing a coin. If the coin shows head, toss is done again, but if it shows tail, then throw a die. Find the conditional probability of the events that ' the die shows a number greater than 4', given that ' there is atleast one tail'.    (View Answer Video)

Question 4 : In a hockey match, both teams A and B scored same number of goals up to the end of the game, so to decide the winner, the referee asked both the captains to throw a die alternately and decided that the team, whose captain gets a six first, will be declared the winner. If the captain of the team A was asked to start, find their respective probabilities of winning the match and state whether the decision of the referee was fair or not.      (View Answer Video)

Question 5 : In a school, there are 1000 students out of which 430 are girls. It is known that out of 430, 10% of the girls study in class XII. What is the probability that a student chosen randomly studies in class XII, given that the chosen student is a girl? (View Answer Video)

Application of Integrals

Question 1 : Find the area of the smaller region bounded by the ellipse Question and the straight line 8x + 3y = 12. (View Answer Video)

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

Question 3 : Find the area enclosed by the parabola Questionand the line 2y = 3x + 12.   (View Answer Video)

Question 4 : A farmer has a field of shape bounded by Questionand 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 5 : Using integration find the area of the triangular region whose sides have the equations y = 2x + 1, y = 3x + 1 and x = 4. (View Answer Video)