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

Expert Teacher provides CBSE Relations and Functions 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 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 Answer in a narrative video format.

** Question:**

** What type of function is the sine function in R? **

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

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

**Question 1** : Let R be the relation in the set N given by :

R = {(a, b) : a = b - 2, b > 6}.

Choose the correct answer : (View Answer Video)

**Question 2** : What type of function is the sine function in R? (View Answer Video)

**Question 3** : Functions are defined respectively, by , find . (View Answer Video)

**Question 4** : Functions are defined respectively, by , find . (View Answer Video)

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

**Question 1** : Find a vector in the direction of vector which has magnitude 8 unit. (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** : 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 4** : For given vectors,and find the unit vector in the direction of the vector a + b. (View Answer Video)

**Question 5** : Find the direction of the vector (View Answer Video)

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

**Question 2** : Differentiate the function with respect to x. (View Answer Video)

**Question 3** : Differentiate the function with respect to x. (View Answer Video)

**Question 4** : Differentiate the function with respect to x. (View Answer Video)

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

**Question 1** : Find the equation of the plane passing through the line of intersection of the planes x + y + z = 1 and 2x + 3y + 4z = 5 which is perpendicular to the plane x - y + z = 0. Also, find the distance of the plane obtained above from the origin. (View Answer Video)

**Question 2** : Find the angle between the lines whose direction ratios are a, b, c and b - c, c - a, a - b. (View Answer Video)

**Question 3** : Find the distance of the point (-1, -5, -10) from the point of intersection of the line joining the points A(2, -1, 2) and B(5, 3, 4) with the plane x - y + z = 5. (View Answer Video)

**Question 4** : Find the distance of the point (2, 12, 5) from the point of intersection of the lines and the plane (View Answer Video)

**Question 5** : If the cartesian equations of a line are write the vector equation for the line. (View Answer Video)