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

Expert Teacher provides CBSE MCQ Solutions for Maths 12 Science 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:**

** If a line marks angles and with x, y and z-axis respectively, where is acute, then find . **

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

**Question 1** : If a line marks angles and with x, y and z-axis respectively, where is acute, then find . (View Answer Video)

**Question 2** : Find the distance between the planes 2x+3y+4z=10 and 4x+6y+8z=18. (View Answer Video)

**Question 3** : If a line makes angles with the positive direction of co-ordinate axes, then write the value of (View Answer Video)

**Question 4** : Find the distance of the point (-1, -5, -10) from the point of intersection of the line and plane (View Answer Video)

**Question 5** : The equation of a line AB is Write the direction cosines of a line parallel to the above line. (View Answer Video)

**Question 1** : Prove that : (View Answer Video)

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

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

**Question 4** : Evaluate : (View Answer Video)

**Question 5** :

Evaluate the following definite integral :

(View Answer Video)
**Question 1** : Find the approximate change in the surface area of a cube of side x meters caused by decreasing the side by 1%. (View Answer Video)

**Question 2** : Find the maximum profit that a company can make if the profit function is. (View Answer Video)

**Question 3** : If, then the approximate value of f(3.02) is _________. (View Answer Video)

**Question 4** : The points on the curve , where the normal to the curve makes equal intercepts with the axes are, (View Answer Video)

**Question 5** : For all real values of x, the minimum value of is (View Answer Video)

**Question 1** : Find the area bounded by curves and (View Answer Video)

**Question 2** :

Find the area of the given curves and given lines:

and x-axis

**Question 3** : Find the area of the region bounded by the curve and . (View Answer Video)

**Question 4** : Using integration, find the area of the triangle formed by a positive x-axis and tangent and normal to the circle at . (View Answer Video)

**Question 5** : Using integration find the area of the triangular region whose sides have the equations y = 2x + 1, y = 3x + 1 and x = 4. (View Answer Video)