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

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

** Functions are defined respectively, by , find . **

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

You can select video Solutions from other languages also. Please check Solutions 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** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

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

**Question 4** : If f and g two functions such that they are one-one then g o f is: (View Answer Video)

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

**Question 1** : Find the area of the region bounded by the parabola and y = | x |. (View Answer Video)

**Question 2** : Using integration find the area of region bounded by the triangle whose vertices are (-1, 0), (1, 3) and (3, 2). (View Answer Video)

**Question 3** : Find the area of the given curves and given lines:

and x-axis (View Answer Video)

**Question 4** : Using integration, find the area of the region bounded by the curves: y = |x + 1| + 1, x = -3, x = 3, y = 0. (View Answer Video)

**Question 5** : A farmer has a field of shape bounded by and x = 3, he wants to divide this into his two sons equally by a straight line x = c. Can you find c? What value, you find in the person ? (View Answer Video)

**Question 1** : If the equation of a line AB is then, find the direction cosines of a line parallel to AB. (View Answer Video)

**Question 2** : If the cartesian equations of a line are write the vector equation for the line. (View Answer Video)

**Question 3** : Find the distance of the plane : 3x - 4y + 12z = 3 from the origin. (View Answer Video)

**Question 4** : Find the distance of the point (1, -2, 3) from the plane x-y+z=5 measured parallel to the line (View Answer Video)

**Question 5** : If the lines and are perpendicular to each other, then find the value of P. (View Answer Video)

**Question 1** : Write the principal value of (View Answer Video)

**Question 2** :

Solve the equation:

**Question 3** : What value do you observe in real life scenario ? (View Answer Video)

**Question 4** : Write in the simplest form:

(View Answer Video)

**Question 5** : Solve for

(View Answer Video)