CBSE Maths 12 Science Vector Algebra MCQ Solutions in English to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides CBSE Maths 12 Science Vector Algebra MCQ Solutions 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:
Solution Video in English:
You can select video Solutions from other languages also. Please check Solutions in ( Hindi )
Question 1 : Find a vector of magnitude making an angle of with x-axis, with y-axis and an acute angle with z-axis. (View Answer Video)
Question 2 : Write a unit vector in the direction of the sum of vectors : and (View Answer Video)
Question 3 : Write the value of for which the vectors and are parallel vectors. (View Answer Video)
Question 4 : 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 5 : Find the area of the triangle with vertices A(1, 1, 2), B(2, 3, 5) and C(1, 5, 5). (View Answer Video)
Question 1 : Determine degree of (View Answer Video)
Question 2 : Write the degree of the differential equation : (View Answer Video)
Question 3 : Solve the differential
(View Answer Video)
Question 4 : If y(x) is a solution of the differential equation and y(0) = 1, then find the value of (View Answer Video)
Question 5 : Find the general solution of differential equation (View Answer Video)
Question 1 : Let be defined as . Choose the correct answer. (View Answer Video)
Question 2 : A function defined as f(x) = 5x is, (View Answer Video)
Question 3 : Let * be any binary operation on the set R defined by a * b = a + b – ab, then the binary operation * is, (View Answer Video)
Question 4 : If is defined by , write f(f(x)). (View Answer Video)
Question 5 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)
Question 1 : A and B throw a pair of dice alternatively, till one of them gets a total of 10 and wins the game. Find their respective probabilities of winning, if A starts first. (View Answer Video)
Question 2 : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:
atleast 5 successes?
(View Answer Video)
Question 3 : A bag contain 2 red, 6 black and 8 green balls. A ball is drawn at random from the bag. Find the probability of black balls:
(View Answer Video)
Question 4 : Evaluate , if 2P(A)=P(B)= and =. (View Answer Video)
Question 5 : If P(A)=, P(B)= and =, find . (View Answer Video)