Maths Vector Algebra CBSE 12 Science MCQ in English Answers to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides Maths Vector Algebra CBSE 12 Science MCQ English Answers. 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 unit vector in the direction of the vector
Answer Video in English:
You can select video Answers from other languages also. Please check Answers in ( Hindi )
Question 1 : Find the unit vector in the direction of the vector (View Answer Video)
Question 2 : Find a vector in the direction of vector which has magnitude 8 unit. (View Answer Video)
Question 3 : Find the vector quantities from the following:
(i) 10 kg (ii) 2 m north-west (iii)
(iv) 40 W (v) (vi) (View Answer Video)
Question 4 : If and are two equal vectors, then write the value of (View Answer Video)
Question 5 : Find the angle between the vectors and (View Answer Video)
Question 1 : If , write , where is the transpose of A? (View Answer Video)
Question 2 : Find the value of z, from the equation: . (View Answer Video)
Question 3 : Let Find AB. (View Answer Video)
Question 4 : Find the value of X, if and . (View Answer Video)
Question 5 : Find the transpose of the matrix: . (View Answer Video)
Question 1 : Find the adjoint of the matrix . (View Answer Video)
Question 2 : Let A be a non-singular square matrix of order 3 * 3. Then | adj A | is equal to: (View Answer Video)
Question 3 : Evaluate the determinant: . (View Answer Video)
Question 4 : Evaluate the determinant: . (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)
Question 1 : A coin is biased so that the heads is 2 times as likely to occur as tail. If the coin is tossed twice, find the probability distribution of number of tails. Hence find the mean of the distribution. (View Answer Video)
Question 2 : One card is drawn from a pack of 52 cards. Find the probability of getting a jack of hearts:
(View Answer Video)
Question 3 : If E and F are independent events, then show that and are also independent. (View Answer Video)
Question 4 : The probabilities of two students A and B coming to the school in time are and respectively. Assuming that the events ' A coming in time ' and
' B coming in time ' are independent. Find the probability of only one. Write of them come in time atleast one advantage of coming to school in time. (View Answer Video)
Question 5 : Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:
Only 2 cards are spades? (View Answer Video)