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

Expert Teacher provides Maths 12 Science Three Dimensional Geometry CBSE 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** : 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 2** : Find the vector equation of the line passing through the point (1, 2, 3) and parallel to the planes and

(View Answer Video)

**Question 3** : Find the equation of the plane passing through the point (-1, 3, 2) and perpendicular to each of the planes x + 2y + 3z = 5 and 3x + 3y + z = 0. (View Answer Video)

**Question 4** : If a line makes angleandwith the coordinate axis, then find the value of (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** : Write the value of :. (View Answer Video)

**Question 2** : Find . (View Answer Video)

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

**Question 4** : Find : . (View Answer Video)

**Question 5** : Find:

(View Answer Video)

**Question 1** : Write the principal value of

(View Answer Video)

**Question 2** : Then x is equal to : (View Answer Video)

**Question 3** : is equal to : (View Answer Video)

**Question 4** : is equal to :

(View Answer Video)

**Question 5** : Write in the simplest form:

(View Answer Video)

**Question 1** : Functions are defined respectively, by , find . (View Answer Video)

**Question 2** : Let defined as f(x) = 5 be a constant function. Then its range is (View Answer Video)

**Question 3** : If and are onto, then is: (View Answer Video)

**Question 4** : * is a binary operation on Z such that: a * b = a + b + ab. The solution of (3* 4) *x = – 1 is,

(View Answer Video)

**Question 5** : A function is bijective if and only if, (View Answer Video)