Vector Algebra MCQ CBSE Maths 12 Science Answers in English

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

Expert Teacher provides Vector Algebra MCQ CBSE Maths 12 Science Answers 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:

Find |x|, if for a unit vector a,(x - a).(x + a) = 12.

Answer Video in English:

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

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

Probability

Question 1 :  Bag I contains 3 red and 4 black balls and Bag II contains 4 red and 5 black balls. Two balls are transferred at random from Bag I to Bag II and then a ball is drawn from Bag II.  The ball so drawn is found to be red in colour. Find the probability that the transferred balls were both black.   (View Answer Video)

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Question 4 : If Question and Question find Questionif E and F are independent events.  (View Answer Video)

Question 5 : Find the mean, the variance and the standard deviation of the number of doublets in three throws of a pair of dice.  (View Answer Video)

Determinant

Question 1 : Evaluate Question. (View Answer Video)

Question 2 : Which of the following is correct? (View Answer Video)

Question 3 : Let A be the non- singular square matrix of order Question, then |adj A| is equal to, (View Answer Video)

Question 4 : If A is an invertible matrix of order 2, then Question is equal to, (View Answer Video)

Question 5 : If a, b, c are in AP, then determinant Question. (View Answer Video)

Relations and Functions

Question 1 : Let A = {1, 2, 3}. Then, number of equivalence relations containing (1, 2) are, (View Answer Video)

Question 2 : If Question is defined by Question, write f(f(x)). (View Answer Video)

Question 3 :  A function Question is surjective if and only if , (View Answer Video)

Question 4 : Number of binary sets on the set Question is, (View Answer Video)

Question 5 : A function Question is bijective if and only if, (View Answer Video)