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

Expert Teacher provides MCQ Solutions for CBSE 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:**

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

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

**Question 1** : The function, f(x) = 2x + 1 is, (View Answer Video)

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

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

**Question 1** : Find the values of x, if. (View Answer Video)

**Question 2** : Evaluate the determinant: . (View Answer Video)

**Question 3** : Using the properties of determinants, evaluate . (View Answer Video)

**Question 4** : Find the adjoint of the matrix . (View Answer Video)

**Question 5** : If A is a square matrix of order 3 and |A| = 5 then |3A| = ? (View Answer Video)

**Question 1** : Find |x|, if for a unit vector a,(x - a).(x + a) = 12. (View Answer Video)

**Question 2** : If and denote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C. (View Answer Video)

**Question 3** : Find a vector in the direction of vector which has magnitude 8 unit. (View Answer Video)

**Question 4** : Find a unit vector parallel to the sum of vectors and (View Answer Video)

**Question 5** : P and Q are two points with position vectors and respectively. Write the position vector of a point R which divides the line segment PQ externally in the ratio 2:1. (View Answer Video)

**Question 1** : The line y = mx + 1 is a tangent to the curve if the value of m is: (View Answer Video)

**Question 2** : Find the maximum value of in the interval [1,3]. find the maximum value of the same function in [-3,-1]. (View Answer Video)

**Question 3** : Find the maximum profit that a company can make if the profit function is. (View Answer Video)

**Question 4** : The points on the curve , where the normal to the curve makes equal intercepts with the axes are, (View Answer Video)

**Question 5** : For all values of x, the minimum value of is : (View Answer Video)