MCQ Solutions for CBSE 12 Science Maths Matrices in English

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

Expert Teacher provides MCQ Solutions for CBSE 12 Science Maths Matrices 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 Matrices 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 , then 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, Matrices

Question 1 : Given, , find the value of z. (View Answer Video)

Question 2 : Using elementary transformation, find the inverse of the matrix . (View Answer Video)

Question 3 : Find the value of z, from the equation: . (View Answer Video)

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

Application of Integrals

Question 1 : Find the area bounded by the curve and the line x = 4y - 2. (View Answer Video)

Question 2 : Given that , for x = 0 to x = 20. Find f(x) and g(x) such that the area between f(x) and from x = 0 to x = 5 be and area between g(x) and from y = 0 to y = 5 be . Is = ? Like functions f and g which work is better, team work or individual work? (View Answer Video)

Question 3 : Find the area bounded by the curve y = sin x between x = 0 and (View Answer Video)

Question 4 : Find the area bounded by curves . (View Answer Video)

Question 5 : Find the area of the given curves and given lines:
and x-axis (View Answer Video)

Differential Equations

Question 1 : Find the particular solution of the differential equation given that When x =1. (View Answer Video)

Question 2 : Find the particular solution of the differential equation given that y = 1 when x = 0. (View Answer Video)

Question 3 : Solve the differential equation:
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Question 4 : Find the general solution of differential equation (View Answer Video)

Question 5 : Write the degree of the differential equation : (View Answer Video)

Probability

Question 1 : Five bad oranges are accidently mixed with 20 good ones. If four oranges are drawn one by one successively with replacement, then find the probability distribution of number of bad oranges drawn. Hence, find the mean and variance of the distribution. (View Answer Video)

Question 2 : Assume that the chances of a patient having a heart attack are 40%. Assume that a meditation and yoga course reduces the risk of heart attack by 30% and the prescription of certain drugs and certain restrictions reduces the risk by 25%. At a time, a patient choses only one of the two options with equal probabilities. After going through one of the two options, the patient is selected at random who is suffering from a heart attack. Find the probability that the patient followed a course of meditation and yoga. Write the value referred here. (View Answer Video)

Question 3 : An urn contains 4 balls. Two balls are drawn at random from the urn (without replacement) and are found to be white. What is the probability that all the four balls in the urn are white? (View Answer Video)

Question 4 : A girl throws a die. If she gets a 5 or 6, she tosses a coin three times and notes the number of heads. If she gets 1, 2, 3 or 4, she tosses a coin two times and notes the number of heads obtained. If she obtained exactly two heads, what is the probability that she threw 1, 2, 3, or 4 with the die? (View Answer Video)

Question 5 : If P(A)=, P(B)= and =, find . (View Answer Video)