Vector Algebra Maths 12 Science CBSE Answers for MCQ in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides Vector Algebra Maths 12 Science CBSE 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 : Evaluate the product (3a - 5b).(2a + 7b). (View Answer Video)
Question 2 : The two vectors and
represent the two sides AB and AC, respectively of
Find the length of the median
though A. (View Answer Video)
Question 3 : For given vectors,and
find the unit vector in the direction of the vector a + b. (View Answer Video)
Question 4 : Find the magnitude of two vectors a and b having the same magnitude and such that the angle between them is and their scalar product is 1/2. (View Answer Video)
Question 5 : If and
are two equal vectors, then write the value of
(View Answer Video)
Question 1 : Write the value of (View Answer Video)
Question 2 : Evaluate :
(View Answer Video)
Question 3 : Solve for
(View Answer Video)
Question 4 : Write in the simplest form:
(View Answer Video)
Question 5 : Then x is equal to : (View Answer Video)
Question 1 : Find the inverse of the matrix, . (View Answer Video)
Question 2 : Find the value of X, if and
. (View Answer Video)
Question 3 : Let Find A + B. (View Answer Video)
Question 4 : Given, , find the value of y. (View Answer Video)
Question 5 : Compute: . (View Answer Video)
Question 1 : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)
Question 2 : If P(A)=, P(B)=
and
=
, find
. (View Answer Video)
Question 3 : A and B throw a pair of dice alternately. A wins the game if he gets a total of 7 and B wins the game if he gets a total of 10. If A starts the game, the find the probability that B wins. (View Answer Video)
Question 4 : If A and B are two events such that P(A)=0.3, P(B)=0.6 and P(B/A)=0.5, find P(AB). (View Answer Video)
Question 5 : A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability distribution of the number of successes and hence find its mean. (View Answer Video)