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

Expert Teacher provides Three Dimensional Geometry MCQ CBSE Maths 12 Science Solutions 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:**

** Write the sum of intercepts cut off by the plane on the three axes. **

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

**Question 1** : 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. (View Answer Video)

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

**Question 3** : 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 4** : Find the distance of the point (-1, -5, -10) from the point of intersection of the line joining the points A(2, -1, 2) and B(5, 3, 4) with the plane x - y + z = 5. (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** : Find the general solution of differential equation (View Answer Video)

**Question 2** : Form the differential equation of the family of circles in the second quadrant and touching the co-ordinate axes. (View Answer Video)

**Question 3** : Solve the differential equation (View Answer Video)

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

**Question 5** : Form the differential equation of the family of circles touching the x-axis at origin . (View Answer Video)

**Question 1** : The approximate change in the volume of a cube of side x meters caused by increasing the side by 3% is, (View Answer Video)

**Question 2** : If, then the approximate value of f(3.02) is _________. (View Answer Video)

**Question 3** : The line y = mx + 1 is a tangent to the curve if the value of m is: (View Answer Video)

**Question 4** : A stone is dropped into a quiet lake and waves move in circles at a speed of 4 cm per second. At the instant when the radius of the circular waves is 10 cm, how fast is the enclosed area increasing? (View Answer Video)

**Question 5** : A tank with a rectangular base and rectangular sides, open at the top is to be constructed so that its depth is 2m and volume is If the building of tank costs Rs.70 per sq meter for the base and Rs.45 per sq meter for sides. What is the cost of least expensive? (View Answer Video)

**Question 1** : Find the vector quantities :

(i) Work (ii) Force

(iii) Velocity (iv) Displacement. (View Answer Video)

**Question 2** : Write a vector in the direction of the vector that has magnitude 9 units. (View Answer Video)

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

**Question 4** : If and are two equal vectors, then write the value of (View Answer Video)

**Question 5** : Find the unit vector in the direction of vector PQ, where P and Q are the points (1, 2, 3) and (4, 5, 6) respectively. (View Answer Video)