Maths Three Dimensional Geometry CBSE 12 Science MCQ in English Solutions to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides Maths Three Dimensional Geometry CBSE 12 Science MCQ English Solutions. 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 Solution in a narrative video format.
Question:
Solution Video in English:
Question 1 : Write the direction ratio's of the vector where and (View Answer Video)
Question 2 : Find the intercepts cut off by the plane 2x + y - z = 5. (View Answer Video)
Question 3 : 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 4 : Find the distance of the point (3, 4, 5) from the plane x + y + z = 2 measured parallel to the line 2x = y = z. (View Answer Video)
Question 5 : If a line has the direction ratios -18, 12, -4, then what are its direction cosines? (View Answer Video)
Question 1 : Find the projection of the vector on the vector (View Answer Video)
Question 2 : If and denote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C. (View Answer Video)
Question 3 : Find the position vector of c which divides the line segment joining A & B whose position vectors are and internally in the ratio
2 : 3. (View Answer Video)
Question 4 : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1), directed from A to B. (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)
Question 1 : Let * be any binary operation on the set R defined by a * b = a + b – ab, then the binary operation * is, (View Answer Video)
Question 2 : What type of function is the sine function in R? (View Answer Video)
Question 3 : If is a relation on N, write the range of R. (View Answer Video)
Question 4 : A function defined as is, (View Answer Video)
Question 5 : Number of binary operations on the set {a, b} are : (View Answer Video)
Question 1 : Find the area enclosed by the parabola and the line 2y = 3x + 12. (View Answer Video)
Question 2 : Using integration, find the area bounded by the tangent to the curve at the point (2, 1) and the lines whose equations are x = 2y and x = 3y - 3. (View Answer Video)
Question 3 : Using integration, find the area of the region bounded by the curves: y = |x + 1| + 1, x = -3, x = 3, y = 0. (View Answer Video)
Question 4 : Using integration, find the area of the region bounded by the triangle whose vertices are (-1, 2), (1, 5) and (3, 4). (View Answer Video)
Question 5 : Find the area bounded by the curve and the line x = 4y - 2. (View Answer Video)