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:
Question 1 : If lines and 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 and (View Answer Video)
Question 3 : If a line makes angleandwith the coordinate axis, then find the value of (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 (View Answer Video)
Question 5 : If the cartesian equations of a line are write the vector equation for the line. (View Answer Video)
Question 1 : The normal to the curve passing (1, 2) is : (View Answer Video)
Question 2 : Ifthen the approximate value of f(3.02) is : (View Answer Video)
Question 3 : The slope of the normal to the curve at x = 0 is: (View Answer Video)
Question 4 : The normal to the curve 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 . The marginal revenue, when x=15 is: (View Answer Video)
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 given that where x = 1. (View Answer Video)
Question 3 : Find the general solution of differential equation (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 where a is an arbitrary constant. (View Answer Video)
Question 1 : If , find in terms of y alone. (View Answer Video)
Question 2 : Differentiate w.r.t.x the function , for some fixed a > 0 and x > 0. (View Answer Video)
Question 3 : Differentiate the function w.r.t.x . (View Answer Video)
Question 4 : Find the second order derivative of the function . (View Answer Video)
Question 5 : Differentiate w.r.t.x the function . (View Answer Video)