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

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

**Question 3** : 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 4** : Find the equation of the plane with intercept 3 on the y-axis and parallel to ZOX plane. (View Answer Video)

**Question 5** : 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 1** : If |A| = 0, then A is, (View Answer Video)

**Question 2** : If the area of a triangle is 35 sq units with vertices (2, -6), (5, 4) and (k, 4). Then k is: (View Answer Video)

**Question 3** : Using the properties of determinants, evaluate . (View Answer Video)

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

**Question 5** : Using the properties of determinants, evaluate . (View Answer Video)

**Question 1** : For all real values of x, the minimum value of is (View Answer Video)

**Question 2** : Find the maximum value of in the interval [1,3]. find the maximum value of the same function in [-3,-1]. (View Answer Video)

**Question 3** : Find the maximum profit that a company can make if the profit function is. (View Answer Video)

**Question 4** : The normal to the curve passing (1, 2) is : (View Answer Video)

**Question 5** : Which of the following functions are strictly decreasing on (View Answer Video)

**Question 1** : Let * be the binary operation on N given by a * b = LCM of a and b. Find the identity of * in N? (View Answer Video)

**Question 2** : Let A = {1, 2, 3}. Then, number of relations containing (1, 2) and (1, 3) which are reflexive and symmetric but not transitive is, (View Answer Video)

**Question 3** : A function defined as f(x) = 5x is, (View Answer Video)

**Question 4** : Let A = {1, 2, 3, 4} and let R = {(2, 2), (3, 3), (4, 4), (1, 2)} be a relation on A. Then, R is, (View Answer Video)

**Question 5** : Let defined as f(x) = x be an identity function. Then, (View Answer Video)