Relations and Functions MCQ CBSE Maths 12 Science Answers in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides Relations and Functions MCQ CBSE Maths 12 Science Answers 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:
A function is surjective if and only if ,
Answer Video in English:
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Question 1 : * is a binary operation on Z such that: a * b = a + b + ab. The solution of (3* 4) *x = – 1 is,
(View Answer Video)
Question 2 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)
Question 3 : A function defined as is, (View Answer Video)
Question 4 : 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 5 : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ). (View Answer Video)
Question 1 : Using integration, find the area of the region bounded by the line 2x + y = 4, 3x - 2y = 6 and x - 3y + 5 = 0. (View Answer Video)
Question 2 : Find the area bounded by the curve and the line x = 4y - 2. (View Answer Video)
Question 3 : Find the area enclosed by the parabola and the line 2y = 3x + 12. (View Answer Video)
Question 4 : Find the area bounded by the curve y = sin x between x = 0 and (View Answer Video)
Question 5 : Find the area of the circle which is interior to the parabola (View Answer Video)
Question 1 : 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 2 : Write the direction ratio's of the vector where and (View Answer Video)
Question 3 : Find the vector equation of the line passing through the point (1, 2, 3) and parallel to the planes and
(View Answer Video)
Question 4 : Find the intercepts cut off by the plane 2x + y - z = 5. (View Answer Video)
Question 5 : Find the co-ordinates of the point where the line through the points A (3, 4, 1) and B (5, 1, 6) crosses the XY-plane. (View Answer Video)
Question 1 : For all real values of x, the minimum value of is (View Answer Video)
Question 2 : Find two positive numbers whose sum is 16 and the sum of whose cubes is minimum. (View Answer Video)
Question 3 : Find approximate value of. (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 : The normal at the point (1, 1) on the curve is; (View Answer Video)