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# CBSE Differential Equations Maths 12 Science Answers for MCQ in English

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

Expert Teacher provides CBSE Differential Equations Maths 12 Science Answers for MCQ 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:

## Similar Questions from CBSE, 12th Science, Maths, Differential Equations

Question 1 : Solve the differential equation: (View Answer Video)

Question 2 : Write the differential equation obtained by eliminating the arbitrary constant C in the equation representing the family of curves xy = C cos x. (View Answer Video)

Question 3 : Solve the differential equation (View Answer Video)

Question 4 : Write the degree of the differential equation (View Answer Video)

Question 5 : Solve the differential equation: (View Answer Video)

### Continuity and Differentiability

Question 1 :  Find the second order derivative of the function . (View Answer Video)

Question 2 : Find for the function . (View Answer Video)

Question 3 : Using the fact that and the differentiation, obtain the sum formula for cosines. (View Answer Video)

Question 4 : Differentiate the function w.r.t.x . (View Answer Video)

Question 5 : Differentiate the function with respect to x. (View Answer Video)

### Application of Derivatives

Question 1 : The rate of change of the area of a circle with respect to its radius r at r=6cm is: (View Answer Video)

Question 2 : Find the maximum value of in the interval [1,3]. find the maximum value of the same function in [-3,-1]. (View Answer Video)

Question 3 : The line y = x + 1 is a tangent to the curve at the point: (View Answer Video)

Question 4 : Find the maximum profit that a company can make if the profit function is given by (View Answer Video)

Question 5 : For the curve, y= if x increases at the rate of 2 units/sec, then how fast is the slope of curve changing when x=3? (View Answer Video)

### Probability

Question 1 : If and then find (View Answer Video)

Question 2 : A bag A contains 4 black and 6 red balls and bag B 7 black and 3 red balls. A die is thrown. If 1 or 2 appears on it, then bag A is chosen, otherwise bag B. It two balls are drawn at random (without replacement) from the selected bag, find the probability of one of them being red and another black.        (View Answer Video)

Question 3 : A speaks truth in 60% of the cases, while B in 90% of cases. In what percent of cases are they likely to contradict each other in stating the same fact? In the cases of contradiction do you think, the statement B will carry more weight as he speaks truth in more number of cases than A?    (View Answer Video)

Question 4 : From a lot of 30 bulbs which includes 6 defectives, a sample of 4 bulbs is drawn at random one by one with replacement. Find the probability distribution of the number of defective bulbs. Hence find the mean of the distributions.   (View Answer Video)

Question 5 : A couple has 2 children. Find the probability that both are boys, if it is known that one of them is a boy.  (View Answer Video)