Maths Three Dimensional Geometry CBSE 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 Maths Three Dimensional Geometry CBSE 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:**

** Answer Video in** **English****:**

**Question 1** : Write the direction ratio's of the vector where and (View Answer Video)

**Question 2** : 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 3** : If a line makes angleandwith the coordinate axis, then find the value of (View Answer Video)

**Question 4** : Find the angle between the lines whose direction ratios are a, b, c and b - c, c - a, a - b. (View Answer Video)

**Question 5** : Find the vector equation of the plane which contains the line of intersection of the planes and and which is perpendicular to the plane (View Answer Video)

**Question 1** : Evaluate : (View Answer Video)

**Question 2** : Find the integral of the function . (View Answer Video)

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

**Question 4** : Show that : (View Answer Video)

**Question 5** : Evaluate: (View Answer Video)

**Question 1** : Find the sum of the vectors and (View Answer Video)

**Question 2** : Find a unit vector in the direction of (View Answer Video)

**Question 3** : Find the scalar components of the vector with initial point A (2, 1) and terminal point B (-5, 7). (View Answer Video)

**Question 4** : Write a unit vector in the direction of the sum of vectors : and (View Answer Video)

**Question 5** : 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 1** : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)