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 : Find the equation of the plane passing through the line of intersection of the planes and which is perpendicular to the plane . (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 and 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)
Question 1 : Evaluate : (View Answer Video)
Question 2 : . (View Answer Video)
Question 3 : Evaluate : (View Answer Video)
Question 4 : Find the integral of the function . (View Answer Video)
Question 5 : Find:
(View Answer Video)
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 and are onto, then 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)
Question 1 : Find the area of the region bounded by the parabola 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 at . (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 and the line (View Answer Video)
Question 5 : Find the area of the given curves and given lines:
and x-axis (View Answer Video)