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

Expert Teacher provides CBSE Maths 12 Science Determinant MCQ 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 Determinant 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 inverse of the matrix . **

** Answer Video in** **English****:**

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

**Question 1** : Find the inverse of the matrix . (View Answer Video)

**Question 2** : Evaluate the determinant: . (View Answer Video)

**Question 3** : If A is an invertible matrix of order 2, then is equal to, (View Answer Video)

**Question 4** : Find the value of k, if the area of the triangle is 4 sq unit and vertices are (k, 0) (4, 0) (0, 2). (View Answer Video)

**Question 5** : If a, b, c are in A.P., then the determinantis (View Answer Video)

**Question 1** : Evaluate : . (View Answer Video)

**Question 2** : Find : (View Answer Video)

**Question 3** : Find: . (View Answer Video)

**Question 4** : Evaluate : (View Answer Video)

**Question 5** : Evaluate : (View Answer Video)

**Question 1** : If E and F are independent events, then show that and are also independent. (View Answer Video)

**Question 2** : If the mean and variance of a Binomial distribution are 9 and 6 respectively, find the number of trails. (View Answer Video)

**Question 3** : An experiment succeeds thrice as often as it fails. Find the probability that in the next trials, there will be atleast 3 successes. (View Answer Video)

**Question 4** : A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn at random and are found to be hearts. Find the probability of the missing card to be a heart. (View Answer Video)

**Question 5** : 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 1** : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ). (View Answer Video)

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

**Question 3** : If f(x) = |x| and g(x) = | 5x – 2 |. Then, fog = _____. (View Answer Video)

**Question 4** : Let be defined as . Choose the correct answer. (View Answer Video)

**Question 5** : Let A = {1, 2, 3}. Then, number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is, (View Answer Video)