CBSE 12 Science Solutions for MCQ Maths Three Dimensional Geometry in English to enable students to get Solutions in a narrative video format for the specific question.

Expert Teacher provides CBSE 12 Science Solutions for MCQ Maths Three Dimensional Geometry through Video Solutions 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 Solution in a narrative video format.

** Question:**

** Find the angle between the lines and **

** Solution Video in** **English****:**

**Question 1** : Find the angle between the lines whose direction ratios are a, b, c and b - c, c - a, a - b. (View Answer Video)

**Question 2** : Write the direction ratio's of the vector where and (View Answer Video)

**Question 3** : Find the vector and cartesian forms of the equation of the plane passing through the point (1, 2, -4) and parallel to the lines and Also, find the distance of the point (9, -8, -10) from the plane thus obtained. (View Answer Video)

**Question 4** : If a line marks angles and with x, y and z-axis respectively, where is acute, then find . (View Answer Video)

**Question 5** : Find the co-ordinates of the point where the line through the points A (3, 4, 1) and B (5, 1, 6) crosses the XY-plane. (View Answer Video)

**Question 1** : Find the value of z, from the equation: . (View Answer Video)

**Question 2** : Find the inverse of the matrix, . (View Answer Video)

**Question 3** : Compute: . (View Answer Video)

**Question 4** : Given, , find the value of x. (View Answer Video)

**Question 5** : Find the value of x, from the equation: . (View Answer Video)

**Question 1** : If a line has direction ratios 2, -1, -2, then what are its direction cosines? (View Answer Video)

**Question 2** : Find the sum of the vectors and (View Answer Video)

**Question 3** : Write a vector in the direction of the vector that has magnitude 9 units. (View Answer Video)

**Question 4** : Compute the magnitude of the following vectors:

(View Answer Video)

**Question 5** : Find the sum of the vectors : (View Answer Video)

**Question 1** : Find the area of the given curves and given lines:

and x-axis (View Answer Video)

**Question 2** : Using the method of integration find the area bounded by the curve |x| + |y| = 1. (View Answer Video)

**Question 3** : Using the method of integration find the area of the triangle ABC, coordinates of whose vertices are A(2, 0), B(4, 5) and C(6, 3). (View Answer Video)

**Question 4** : Find the area of the region enclosed by the parabola the line y = x + 2. (View Answer Video)

**Question 5** : Find the area bounded by the curve and the line x = 4y - 2. (View Answer Video)