Three Dimensional Geometry CBSE Maths 12 Science MCQ Answers in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides Three Dimensional Geometry CBSE Maths 12 Science MCQ Answers 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:
Answer Video in English:
Question 1 : If a lines makes angle and with the positive directions of x-axis and z-axis respectively, then find the angle that it makes with the y-axis. (View Answer Video)
Question 2 : Find the equation of the plane passing through the line of intersection of the plane and which is at a unit distance from the origin. (View Answer Video)
Question 3 : Find the co-ordinates of the point where the line through the points (3, -4, -5) and (2, -3, 1) crosses the plane
2x + y + z = 7. (View Answer Video)
Question 4 : Find the angle between the lines and (View Answer Video)
Question 5 : Find the vector equation of the line passing through the point (1, 2, 3) and parallel to the planes and
(View Answer Video)
Question 1 : Find the particular solution of the differential equation given that y = 0 when x = 1. (View Answer Video)
Question 2 : If x cos(a + y) = cos y, then prove that
Hence show that (View Answer Video)
Question 3 : If y(x) is a solution of the differential equation and y(0) = 1, then find the value of (View Answer Video)
Question 4 : Find the particular solution of the differential equation given that y = 0, when x = 0. (View Answer Video)
Question 5 : Write the differential equation representing the family of curves y = mx, where m is an arbitrary constant. (View Answer Video)
Question 1 : Evaluate :
(View Answer Video)
Question 2 : If , then write the value of. (View Answer Video)
Question 3 : is equal to: (View Answer Video)
Question 4 : If find x. (View Answer Video)
Question 5 : is equal to :
(View Answer Video)
Question 1 : Find the vector quantities :
(i) Work (ii) Force
(iii) Velocity (iv) Displacement. (View Answer Video)
Question 2 : Find if and (View Answer Video)
Question 3 : Find the unit vector in the direction of vector PQ, where P and Q are the points (1, 2, 3) and (4, 5, 6) respectively. (View Answer Video)
Question 4 : Find the area of the parallelogram whose adjacent sides are determined by the vectors and (View Answer Video)
Question 5 : P and Q are two points with position vectors and respectively. Write the position vector of a point R which divides the line segment PQ externally in the ratio 2:1. (View Answer Video)