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

Expert Teacher provides CBSE MCQ Solutions for Maths 12 Science Relations and Functions 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 Relations and Functions 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:**

** Let defined as f(x) = 5 be a constant function. Then its range is **

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

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

**Question 1** : Consider given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)

**Question 2** : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N. (View Answer Video)

**Question 3** : Let A = {1, 2, 3}. Then, number of equivalence relations containing (1, 2) are, (View Answer Video)

**Question 4** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

**Question 5** : A function defined as is, (View Answer Video)

**Question 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)

**Question 1** : If and find if E and F are independent events. (View Answer Video)

**Question 2** : If E and F are two events such that,

, Find P(E or F). (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** : A coin is tossed three times. Find P(F/E), where E : at most two tails and F : atleast one tail. (View Answer Video)

**Question 5** : P speaks truth in 70% of the cases and Q in 80% of the cases. In what percent of cases are they likely to agree in stating the same fact? (View Answer Video)

**Question 1** : Determine degree of (View Answer Video)

**Question 2** : Write the sum of the order and degree of the differential equation (View Answer Video)

**Question 3** : Form the differential equation of the family of circles in the second quadrant and touching the co-ordinate axes. (View Answer Video)

**Question 4** : Find the particular solution of the differential equation given that where x = 1. (View Answer Video)

**Question 5** : 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)