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

Expert Teacher provides MCQ Determinant Solutions for CBSE Maths 12 Science 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:**

** Transpose of a column matrix is, **

** Solution Video in** **English****:**

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

**Question 1** : 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 2** : If A =, find | A |. (View Answer Video)

**Question 3** : Find the equation of the line joining (3, 1) and (9, 3) using determinants. (View Answer Video)

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

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

**Question 1** : Three numbers are selected at random (without replacement ) from first six positive integers. Let X denote the largest of the three numbers obtained. Find the probability distribution of X. Also, find the mean and variance of the distribution. (View Answer Video)

**Question 2** : 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)

**Question 3** : Of the students in a college, it is known that 60% reside in hostel and 40% are day scholars (not residing in hostel). Previous year results report that 30% of all students who reside in hostel attain 'A' grade and 20% of day scholars attain 'A' grade in their annual examination. At the end of the year, one student is chosen at random from the college and he has an 'A' grade. What is the probability that the student is a hosteler? (View Answer Video)

**Question 4** : In a hockey match, both teams A and B scored same number of goals up to the end of the game, so to decide the winner, the referee asked both the captains to throw a die alternately and decided that the team, whose captain gets a six first, will be declared the winner. If the captain of the team A was asked to start, find their respective probabilities of winning the match and state whether the decision of the referee was fair or not. (View Answer Video)

**Question 5** : If each element of a second-order determinant is either zero or one, what is the probability that the value of the determinant is positive? (View Answer Video)

**Question 1** : Differentiate the function with respect to x. (View Answer Video)

**Question 2** : Differentiate the function with respect to x. (View Answer Video)

**Question 3** : Find for the function . (View Answer Video)

**Question 4** : Differentiate the function with respect to x. (View Answer Video)

**Question 5** : Differentiate the function w.r.t.x . (View Answer Video)

**Question 1** : Find the area of the region bounded by the parabola and y = | x |. (View Answer Video)

**Question 2** : Using the method of integration find the area of the triangle ABC, coordinates of whose vertices are A(2, 0), B(4, 5) and C(6, 3). (View Answer Video)

**Question 3** : Find the area of the region bounded by the curve and the line x = 3. (View Answer Video)

**Question 4** : Find the area of the given curves and given lines:

and x-axis (View Answer Video)

**Question 5** : Using the method of integration, find the area of the region bounded by the lines: 5x - 2y -10 = 0, x + y - 9 = 0 and 2x - 5y - 4 = 0. (View Answer Video)