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.
Please find the question below and view the Answer in a narrative video format.
Question:
Answer Video in English:
You can select video Answers from other languages also. Please check Answers in ( Hindi )
Question 1 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 20 * 16. (View Answer Video)
Question 2 : 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 3 : A function defined as f(x) = 5x is, (View Answer Video)
Question 4 : Consider given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)
Question 5 : Let * be any binary operation on the set R defined by a * b = a + b – ab, then the binary operation * is, (View Answer Video)
Question 1 : Find the vector equation of the plane which contains the line of intersection of the planes and and which is perpendicular to the plane (View Answer Video)
Question 2 : 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 3 : If a line has direction ratios 2, -1, -2, then what are its direction cosines? (View Answer Video)
Question 4 : If a line has the direction ratios -18, 12, -4, then what are its direction cosines? (View Answer Video)
Question 5 : Find the vector and cartesian equations of the plane passing through the point (-1, 3, 2) and perpendicular to each of the planes x + 2y +3z = 5 and
3x + 3y + z = 0. (View Answer Video)
Question 1 : If the area of a triangle is 35 sq units with vertices (2, -6), (5, 4) and (k, 4). Then k is: (View Answer Video)
Question 2 : If A =, find | A |. (View Answer Video)
Question 3 : Evaluate the determinant: . (View Answer Video)
Question 4 : Evaluate the determinant: . (View Answer Video)
Question 5 : If A is a square matrix of order 3 and |A| = 5 then |3A| = ? (View Answer Video)
Question 1 : Write the principal value of (View Answer Video)
Question 2 : If then find the value of x. (View Answer Video)
Question 3 : Solve for
(View Answer Video)
Question 4 : Write in the simplest form:
(View Answer Video)
Question 5 : Solve for
(View Answer Video)