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 : If lines Questionand  Question  intersect, then find the value of k and hence find the equation of plane containing these lines. (View Answer Video)

Question 2 : Find the angle between the lines  Questionand Question (View Answer Video)

Question 3 : If a line makes angleQuestionandQuestionwith the coordinate axis, then find the value of Question (View Answer Video)

Question 4 : Find the vector equation of a plane which is at a distance of 5 units from the origin and its normal vector is Question (View Answer Video)

Question 5 : If the cartesian equations of a line are  Question  write the vector equation for the line. (View Answer Video)

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

Application of Derivatives

Question 1 : The normal to the curve Questionpassing (1, 2) is : (View Answer Video)

Question 2 : IfQuestionthen the approximate value of f(3.02) is : (View Answer Video)

Question 3 : The slope of the normal to the curve Question at x = 0 is: (View Answer Video)

Question 4 : The normal to the curve Question passing (1, 2) is: (View Answer Video)

Question 5 : 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)

Differential Equations

Question 1 : Write the differential equation representing the family of curves y = mx, where m is an arbitrary constant. (View Answer Video)

Question 2 : Find the particular solution of the differential equation Question given that Questionwhere x = 1. (View Answer Video)

Question 3 : Find the general solution of differential equation Question (View Answer Video)

Question 4 : Obtain the differential equation of the family of circles passing through the points (a, 0) and (-a, 0). (View Answer Video)

Question 5 : Write the differential equation representing the curve Questionwhere a is an arbitrary constant. (View Answer Video)

Continuity and Differentiability

Question 1 : If Question, find Question in terms of y alone. (View Answer Video)

Question 2 : Differentiate w.r.t.x the function Question, for some fixed a > 0 and x > 0. (View Answer Video)

Question 3 : Differentiate the function w.r.t.x Question. (View Answer Video)

Question 4 :  Find the second order derivative of the function Question. (View Answer Video)

Question 5 : Differentiate w.r.t.x the function Question. (View Answer Video)