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

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

** Find the distance between the planes 2x+3y+4z=10 and 4x+6y+8z=18. **

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

## Similar Questions from CBSE, 12th Science, Maths, Three Dimensional Geometry

**Question 1** : 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.

**Question 2** : Find the equation of the plane that contains the point (1, -1, 2) and is perpendicular to both the planes 2x + 3y - 2z = 5 and x + 2y - 3z = 8. Hence find the distance of point P(-2, 5, 5) from the plane obtained above.

**Question 3** : Find the distance of the plane : 3x - 4y + 12z = 3 from the origin.

**Question 4** : The cartesian equation of a line is , write its vector form.

**Question 5** : Write the equation of the straight line through the point and parallel to z-axis.

### Questions from Other Chapters of CBSE, 12th Science, Maths

### Differential Equations

**Question 1** : If y(x) is a solution of the differential equation and y(0) = 1, then find the value of

**Question 2** : Write the degree of the differential equation :

**Question 3** : Find the general solution of differential equation

**Question 4** : If m and n are the order and degree, respectively of the differential equation then write value of m+n.

**Question 5** : Obtain the differential equation of all the circles of radius r.

### Vector Algebra

**Question 1** : Find the value of x and y so that the vectors and are equal.

**Question 2** : If and denote the position vectors of points A and B respectively and C is a point on AB such that AC = 2 CB, then write the position vector of C.

**Question 3** : Find the sum of the vectors :

**Question 4** : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1), directed from A to B.

**Question 5** : P and Q are two points with position vectors and respectively. Write the position vector of a point R which divides the line segment PQ externally in the ratio 2:1.

### Matrices

**Question 1** : If then find "a".

**Question 2** : Find the transpose of the matrix: .

**Question 3** : Find the value of y, from the equation: .

**Question 4** : Compute: .

**Question 5** : If , write the value of"x".