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

Expert Teacher provides Maths Determinant CBSE 12 Science Solutions for MCQ 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 Determinant 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** : Evaluate . (View Answer Video)

**Question 2** : Transpose of a column matrix is, (View Answer Video)

**Question 3** : Evaluate the determinant: . (View Answer Video)

**Question 4** : Let , where . THhen (View Answer Video)

**Question 5** : If the area of a triangle is 35 sq units with vertices (2, -6), (5, 4) and (k, 4). Then k is: (View Answer Video)

**Question 1** : Differentiate w.r.t.x the function . (View Answer Video)

**Question 2** : Differentiate the function w.r.t.x . (View Answer Video)

**Question 3** : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)

**Question 4** : If , find in terms of y alone. (View Answer Video)

**Question 5** : Find for the function . (View Answer Video)

**Question 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)

**Question 1** : 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 2** : An urn contains 3 white and 6 red balls. Four balls are drawn one by one with replacement from the urn. Find the probability distribution of the number of red balls drawn. Also, find mean and variance of distribution. (View Answer Video)

**Question 3** : P speaks truth in 70% of the cases and Q in 80% of the cases. In what percent of cases are they likely to agree in stating the same fact? (View Answer Video)

**Question 4** : A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20, 16, 18, 20, 17, 16, 19 and 20 years. One student is selected in such a manner that each has the same chance of being chosen and the age X of the selected student is recorded. What is the probability of the random variable X? Find the mean. (View Answer Video)

**Question 5** : Three cards are drawn without replacement from a pack of 52 cards. Find the probability that the cards drawn are king, queen and jack.

(View Answer Video)