CBSE Solutions for MCQ 12 Science Maths Determinant in English

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

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

If Question find |A|.

Solution Video in English:

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

Similar Questions from CBSE, 12th Science, Maths, Determinant

Question 1 : Evaluate Question. (View Answer Video)

Question 2 : Find the values of x, if Question. (View Answer Video)

Question 3 :  Find the values of x, ifQuestion. (View Answer Video)

Question 4 : Let A be a non-singular square matrix of order 3 * 3. Then | adj A | is equal to: (View Answer Video)

Question 5 : If A is a symmetric matrix, then Question? (View Answer Video)

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

Three Dimensional Geometry

Question 1 : Find the direction cosines of the line Question (View Answer Video)

Question 2 : Find the equation of the plane passing through the line of intersection of the plane Question and  Question which is at a unit distance from the origin. (View Answer Video)

Question 3 : Find the distance between the planes 2x+3y+4z=10 and 4x+6y+8z=18. (View Answer Video)

Question 4 : Find the vector equation of the plane which contains the line of intersection of the planes Question and Question and which is perpendicular to the plane Question (View Answer Video)

Question 5 : Find the distance between the point (7, 2, 4) and the plane determined by the points A(2, 5, -3), B(-2, -3, 5) and C(5, 3, -3). (View Answer Video)

Vector Algebra

Question 1 :  Find the scalar quantities from the following:
(i) 10 kg          (ii) 2 m north-west          (iii) Question
(iv) 40 W         (v) Question                   (vi) Question  (View Answer Video)

Question 2 :  Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from B to A. (View Answer Video)

Question 3 :  Write a vector in the direction of the vector Question that has magnitude 9 units.   (View Answer Video)

Question 4 : Find the projection of the vectorQuestion on the vector Question (View Answer Video)

Question 5 : Find a unit vector in the direction of Question  (View Answer Video)

Probability

Question 1 : In a group of 30 scientists workings on an experiment, 20 never commit error in their work and are reporting results elaborately. Two scientists are selected at random from the group. Find the probability distribution of the number of selected scientists who never commit error in work and reporting. Also find the mean of the distribution. What values are described in this question?  (View Answer Video)

Question 2 :  A man is known to speak the truth 3 out of 5 times. He throws a die and reports that it is 1. Find the probability that it is actually 1.   (View Answer Video)

Question 3 : If P(A)=Question, P(B)=Question and Question=Question, find Question. (View Answer Video)

Question 4 : A bag X contains 4 white balls and 2 black balls, while another bag Y contains 3 white balls and 3 black balls. Two balls are drawn (without replacement) at random from one of the bags and were found to be one white and one black. Find the probability that the balls were drawn from bag Y.  (View Answer Video)

Question 5 : 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)