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

Expert Teacher provides MCQ Answers for CBSE 12 Science Maths Three Dimensional Geometry 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:**

** Find the distance of the point (1, -2, 3) from the plane x-y+z=5 measured parallel to the line **

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

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

**Question 2** : Find the vector equation of a plane which is at a distance of 5 units from the origin and its normal vector is (View Answer Video)

**Question 3** : 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 4** : Find the vector equation of the plane which is at a distance of 5 units from the origin and normal to the plane is (View Answer Video)

**Question 5** : Find the distance of the point (-1, -5, -10) from the point of intersection of the line and the plane (View Answer Video)

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

**Question 1** : Find for the function . (View Answer Video)

**Question 2** : Differentiate w.r.t.x the function , for some fixed a > 0 and x > 0. (View Answer Video)

**Question 3** : If x and y are connected parametrically by the equation , without eliminating the parameter, find . (View Answer Video)

**Question 4** : Differentiate the function w.r.t.x . (View Answer Video)

**Question 5** : Differentiate the function w.r.t.x . (View Answer Video)

**Question 1** : Using principal values, write the value of (View Answer Video)

**Question 2** : If then write the value of x + y + xy. (View Answer Video)

**Question 3** : Solve for

(View Answer Video)

**Question 4** : Write in the simplest form:

(View Answer Video)

**Question 5** :

Write the value of the following: