CBSE Three Dimensional Geometry Maths 12 Science Answers for MCQ in English

CBSE Three Dimensional Geometry Maths 12 Science Answers for MCQ in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides CBSE Three Dimensional Geometry Maths 12 Science Answers for MCQ 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 Three Dimensional Geometry 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:

If a line has direction ratios 2, -1, -2, then what are its direction cosines?

Answer Video in English:

Similar Questions from CBSE, 12th Science, Maths, Three Dimensional Geometry

Question 1 : 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. Also find angle which this line makes with the XZ-plane. (View Answer Video)

Question 2 : Find the distance of the point (3, 4, 5) from the plane x + y + z = 2 measured parallel to the line 2x = y = z. (View Answer Video)

Question 3 : Find the distance of the point (-1, -5, -10) from the point of intersection of the line Question and plane Question (View Answer Video)

Question 4 : Find the equation of the plane with intercept 3 on the y-axis and parallel to ZOX plane. (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)

Questions from Other Chapters of CBSE, 12th Science, Maths

Application of Integrals

Question 1 : Area lying in the first quadrant and bounded by the circle Question and the lines x =0 and x = 2 is (View Answer Video)

Question 2 : Find the area enclosed by the parabola Questionand the line 2y = 3x + 12.   (View Answer Video)

Question 3 : Using integration find the area of region bounded by the triangle whose vertices are (-1, 0), (1, 3) and (3, 2). (View Answer Video)

Question 4 : Using integration, find the area bounded by the tangent to the curve Question at the point (2, 1) and the lines whose equations are x = 2y and x = 3y - 3. (View Answer Video)

Question 5 : Find the area bounded by curves Question. (View Answer Video)

Differential Equations

Question 1 : Find the solution of the differential equation Question (View Answer Video)

Question 2 : Obtain the differential equation of the family of circles passing through the points (a, 0) and (-a, 0). (View Answer Video)

Question 3 : If m and n are the order and degree, respectively of the differential equation Question  then write value of m+n. (View Answer Video)

Question 4 : Find the particular solution of the differential equation :
Question  when x = 1, Question  (View Answer Video)

Question 5 : Solve the differential equation Question (View Answer Video)

Application of Derivatives

Question 1 : The line y = x + 1 is a tangent to the curve Question at the point: (View Answer Video)

Question 2 : The total revenue in rupees received from the sale of x units of a product is given by Question. The marginal revenue, when x=15 is: (View Answer Video)

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

Question 4 : The maximum value of Question is, (View Answer Video)

Question 5 : The normal at the point (1, 1) on the curve Question is: (View Answer Video)