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

Expert Teacher provides Maths Relations and Functions CBSE 12 Science MCQ English Answers. 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:**

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

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**Question 1** : be defined as f(x) = (View Answer Video)

**Question 2** : Let defined as f(x) = 5 be a constant function. Then its range is (View Answer Video)

**Question 3** : Let R be the relation on the set {1, 2, 3, 4} given by R = {(1, 2), (2, 2), (1, 1), (4, 4), (1, 3), (3,3), (3,2)}. then R is, (View Answer Video)

**Question 4** : 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 5** : If f and g two functions such that they are one-one then g o f is: (View Answer Video)

**Question 1** : A plane makes intercepts -6, 3, 4 respectively on the co-ordinte axes. Find the length of the perpendicular from the origin on it. (View Answer Video)

**Question 2** : Find the vector equation of the plane which is at a distance of 5 units from the origin and normal to the plane is (View Answer Video)

**Question 3** : Find the equation of plane passing through the line of intersection of the planes and and passing through the point (3, -2, -1). Also, find the angle between the two given planes. (View Answer Video)

**Question 4** : Write the equation of the straight line through the point and parallel to z-axis. (View Answer Video)

**Question 5** : Find the vector equation of a plane which is at a distance of 5 units from the origin and its normal vector is (View Answer Video)

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

**Question 2** : Solve the differential

(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** : If m and n are the order and degree, respectively of the differential equation then write value of m+n. (View Answer Video)

**Question 5** : Form the differential equation of equation y = a cos 2x + b sin 2x, where a and b are constant. (View Answer Video)

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