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

Expert Teacher provides Differential Equations CBSE Maths 12 Science 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 Differential Equations 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:**

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

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

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

**Question 3** : Write the degree of the differential equation : (View Answer Video)

**Question 4** : Find the sum of the order and the degree of the following differential equation:

(View Answer Video)

**Question 5** : Obtain the differential equation of all the circles of radius r. (View Answer Video)

**Question 1** : Find the unit vector in the direction of if and (View Answer Video)

**Question 2** : Find the magnitude of two vectors a and b having the same magnitude and such that the angle between them is and their scalar product is 1/2. (View Answer Video)

**Question 3** : Compute the magnitude of the following vectors:

(View Answer Video)

**Question 4** : Write a unit vector in the direction of the sum of vectors and (View Answer Video)

**Question 5** : Find the area of the triangle with vertices A(1, 1, 2), B(2, 3, 5) and C(1, 5, 5). (View Answer Video)

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

**Question 2** : Show that : (View Answer Video)

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

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

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

**Question 1** : 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 2** : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:

atleast 5 successes?

(View Answer Video)

**Question 3** : 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 4** : If and then find P(E / F). (View Answer Video)

**Question 5** : A bag I contains 5 red and 4 white balls and a bag II contains 3 red and 3 white balls. Two balls are transferred from the bag I to the bag II and then one ball is drawn from bag II. If the ball drawn from the bag II is red, then find the probability that one red ball and one white ball are transferred from the bag I to the bag II. (View Answer Video)