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

Expert Teacher provides Answers for MCQ CBSE 12 Science Maths Relations and Functions 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.

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** Question:**

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

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**Question 1** : Functions are defined respectively, by , find . (View Answer Video)

**Question 2** : Let be defined as . Choose the correct answer. (View Answer Video)

**Question 3** : 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 4** : Let defined as f(x) = x be an identity function. Then, (View Answer Video)

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

**Question 1** : 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 2** : Find the area of the smaller region bounded by the ellipse and the line (View Answer Video)

**Question 3** : Using the method of integration, find the area of the region bounded by the lines: 5x - 2y -10 = 0, x + y - 9 = 0 and 2x - 5y - 4 = 0. (View Answer Video)

**Question 4** : Find the area enclosed between the parabola and the line y = mx. (View Answer Video)

**Question 5** : Find the area of the region in the first quadrant enclosed by x-axis, line and the circle (View Answer Video)

**Question 1** : Given, , find the value of z. (View Answer Video)

**Question 2** : If a matrix has 24 elements, what are the possible orders it can have? (View Answer Video)

**Question 3** : Find the value of y, from the equation: . (View Answer Video)

**Question 4** : Find the value of x from the equation: . (View Answer Video)

**Question 5** : Compute: . (View Answer Video)

**Question 1** : Form the differential equation of the family of circles in the second quadrant and touching the co-ordinate axes. (View Answer Video)

**Question 2** : Form the differential equation of equation y = a cos 2x + b sin 2x, where a and b are constant. (View Answer Video)

**Question 3** : Form the differential equation of the family of circles touching the x-axis at origin . (View Answer Video)

**Question 4** : Find the particular solution of the differential equation given that y = 1 when x = 0. (View Answer Video)

**Question 5** : Write the differential equation representing the family of curves y = mx, where m is an arbitrary constant. (View Answer Video)