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 equation of the plane passing through the line of intersection of the planes Question  and Question  which is perpendicular to the plane  Question. (View Answer Video)

Question 2 : Find the distance between the point (7, 2, 4) and the plane determined by the points A(2, 5, -3), B(-2, -3, 5) and C(5, 3, -3). (View Answer Video)

Question 3 : Find the distance between the planes 2x+3y+4z=10 and 4x+6y+8z=18. (View Answer Video)

Question 4 : If the lines Question  and  Question  are perpendicular to each other, then find the value of P. (View Answer Video)

Question 5 : Find the angle between the planes 7x + 2y + 6z = 15 and 3x - y + 10z = 17. (View Answer Video)

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

Integrals

Question 1 : Evaluate : Question (View Answer Video)

Question 2 : Question. (View Answer Video)

Question 3 : Evaluate : Question (View Answer Video)

Question 4 : Find the integral of the function Question. (View Answer Video)

Question 5 : Find:    Question
                                           (View Answer Video)

Relations and Functions

Question 1 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

Question 2 : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

Question 3 : If Question and Question are onto, then Question is: (View Answer Video)

Question 4 :  If f(x) = ax + b and g(x) = cx + d, then f[g(x)] – g[f(x)] is equivalent to, (View Answer Video)

Question 5 : 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)

Application of Integrals

Question 1 : Find the area of the region bounded by the parabola Question and y = | x |. (View Answer Video)

Question 2 : Using integration, find the area of the triangle formed by a positive x-axis and tangent and normal to the circle Question at Question. (View Answer Video)

Question 3 : Using the method of integration find the area of the region bounded by lines:
2x + y = 4, 3x - 2y = 6 and x - 3y + 5 = 0.
  (View Answer Video)

Question 4 : Find the area of the smaller region bounded by the ellipse Question and the line Question (View Answer Video)

Question 5 : Find the area of the given curves and given lines:
Question and x-axis (View Answer Video)