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

Expert Teacher provides CBSE 12 Science Answers for MCQ 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:**

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

**Question 1** : Find the vector equation of the plane with intercepts 3, -4 and 2 on x, y and z-axis respectively. (View Answer Video)

**Question 2** : Find the intercepts cut off by the plane 2x + y - z = 5. (View Answer Video)

**Question 3** : A line passes through the point with position vector and makes angles and with x, y and z-axis respectively. Find the equation of the line in the Cartesian form. (View Answer Video)

**Question 4** : Write the sum of intercepts cut off by the plane on the three axes. (View Answer Video)

**Question 5** : Find the equation of the plane passing through the line of intersection of the planes x + y + z = 1 and 2x + 3y + 4z = 5 which is perpendicular to the plane x - y + z = 0. Also, find the distance of the plane obtained above from the origin. (View Answer Video)

**Question 1** : Let * be any binary operation on the set R defined by a * b = a + b – ab, then the binary operation * is, (View Answer Video)

**Question 2** : Consider given by f(x) = 4x + 3. Find the inverse of f. (View Answer Video)

**Question 3** : Let * be the binary operation on N given by a * b = LCM of a and b. Find 5 * 7. (View Answer Video)

**Question 4** : If and are onto, then is: (View Answer Video)

**Question 5** : If f is the greatest integer function and g is the modulus function . Write the value of g o f(-1/3) – f o g ( -1/3 ) . (View Answer Video)

**Question 1** : Find the maximum profit that a company can make if the profit function is. (View Answer Video)

**Question 2** : The maximum value of is, (View Answer Video)

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

**Question 4** : A cylindrical tank of radius 10 m is being filled with wheat at the rate of the 314 cubic meters per hour. Then the depth of the wheat is increasing at the rate of ___________. (View Answer Video)

**Question 5** : The normal to the curve passing (1, 2) is: (View Answer Video)

**Question 1** : Evaluate the determinants:. (View Answer Video)

**Question 2** : Let A be a square matrix of order , then |kA| is equal to, (View Answer Video)

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

**Question 4** : Transpose of a column matrix is, (View Answer Video)

**Question 5** : Let A be square matrix of order 3 * 3, then |kA|is equal to (View Answer Video)