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# 12 Science CBSE Maths Answers for MCQ Three Dimensional Geometry in English

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

Expert Teacher provides 12 Science CBSE Maths Answers for MCQ 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:

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

Question 1 : Find the distance of the point (-1, -5, -10) from the point of intersection of the line and plane (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 plane : 3x - 4y + 12z = 3 from the origin. (View Answer Video)

Question 5 : If a line marks angles  and with x, y and z-axis respectively, where is acute, then find . (View Answer Video)

### Relations and Functions

Question 1 : 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 2 : The identity element for the binary operation * defined by a * b = , where a, b are the elements of a set of non-zero rational numbers, is, (View Answer Video)

Question 3 : If is a relation on N, write the range of R. (View Answer Video)

Question 4 : Let be defined as f(x) = 3x. Choose the correct answer. (View Answer Video)

Question 5 :  Let defined as f(x) = 5 be a constant function. Then its range is (View Answer Video)

### Application of Derivatives

Question 1 : Equation of normal to the curve x+y=x^y where it cuts x-axis; is (View Answer Video)

Question 2 : The normal at the point (1, 1) on the curve is; (View Answer Video)

Question 3 : Find two positive numbers x  and y such that x+y=60 and is maximum. (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 : Find the maximum value of in the interval [1,3]. find the maximum value of the same function in [-3,-1]. (View Answer Video)

### Application of Integrals

Question 1 : Using the method of integration find the area of the region bounded by lines:
2x + y = 4, 3x - 2y = 6 and x - 3y + 5 = 0.
Question 2 : Find the area of the smaller region bounded by the ellipse and the line (View Answer Video)
Question 4 : Find the area of the smaller part of the circle cut off by the line (View Answer Video)
Question 5 : Find the area enclosed by the parabola and the line 2y = 3x + 12.   (View Answer Video)