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 co-ordinates of the point where the line through the points (3, -4, -5) and (2, -3, 1) crosses the plane

2x + y + z = 7. (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** : Find the cartesian equation of the line which passes through the point (-2, 4, -5) and is parallel to the line (View Answer Video)

**Question 4** : Find the vector and cartesian forms of the equation of the plane passing through the point (1, 2, -4) and parallel to the lines and Also, find the distance of the point (9, -8, -10) from the plane thus obtained. (View Answer Video)

**Question 5** : The cartesian equation of a line is , write its vector form. (View Answer Video)

**Question 1** : Find the equation of the normal to a curve which passes through the point (1,2). (View Answer Video)

**Question 2** : The rate of change of the area of a circle with respect to its radius r at r = 6 cm is : (View Answer Video)

**Question 3** : 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 4** : A cylindrical tank of radius 10 m is being filled with wheat at the rate of 314 cubic meters per hour. Then the depth of the wheat is increasing at the rate of: (View Answer Video)

**Question 5** : The slope of the tangent to the curve at the point (2, -1) is : (View Answer Video)

**Question 1** : Given, , find the value of x. (View Answer Video)

**Question 2** : Compute: . (View Answer Video)

**Question 3** : Find the value of y, from the equation: . (View Answer Video)

**Question 4** : If A is a square matrix such that, then find the simplified value of:. (View Answer Video)

**Question 5** : Compute: . (View Answer Video)

**Question 1** : A problem in mathematics is given to 4 students A, B, C, D. Their chances of solving the problem, respectively, are and . What is the probability that atmost one of them solve the problem? (View Answer Video)

**Question 2** : How many times must a man toss a fair coin, so that the probability of having at least one head is more than 80%. (View Answer Video)

**Question 3** : If E and F are two events such that,

, Find P(E or F). (View Answer Video)

**Question 4** : In a hockey match, both teams A and B scored same number of goals up to the end of the game, so to decide the winner, the referee asked both the captains to throw a die alternately and decided that the team, whose captain gets a six first, will be declared the winner. If the captain of the team A was asked to start, find their respective probabilities of winning the match and state whether the decision of the referee was fair or not. (View Answer Video)

**Question 5** : A die is thrown 6 times. If 'getting an odd number' is a 'success', what is the probability of obtaining:

atmost 5 successes? (View Answer Video)