CBSE 12 Science Solutions for MCQ Maths Three Dimensional Geometry in English to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides CBSE 12 Science Solutions for MCQ 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 angle between the lines and
Solution Video in English:
Question 1 : Find the vector equation of a plane which is at a distance of 5 units from the origin and its normal vector is (View Answer Video)
Question 2 : Find the equation of the plane passing through the point (-1, 3, 2) and perpendicular to each of the planes x + 2y + 3z = 5 and 3x + 3y + z = 0. (View Answer Video)
Question 3 : Write the equation of the straight line through the point and parallel to z-axis. (View Answer Video)
Question 4 : Find the angle between the planes 7x + 2y + 6z = 15 and 3x - y + 10z = 17. (View Answer Video)
Question 5 : Find the angle between the lines and (View Answer Video)
Question 1 : Write the value of (View Answer Video)
Question 2 : Using principal values, write the value of (View Answer Video)
Question 3 : If , then write the value of. (View Answer Video)
Question 4 : Write the principal value of (View Answer Video)
Question 5 : Write the principal value of (View Answer Video)
Question 1 : Given, , find the value of z. (View Answer Video)
Question 2 : If a matrix has 24 elements, what are the possible orders it can have? (View Answer Video)
Question 3 : If for any square matrix A, then write the value of |A|. (View Answer Video)
Question 4 : If A is a square matrix such that, then find the simplified value of:. (View Answer Video)
Question 5 : Using elementary transformation, find the inverse of the matrix . (View Answer Video)
Question 1 : An experiment succeeds thrice as often as it fails. Find the probability that in the next trials, there will be atleast 3 successes. (View Answer Video)
Question 2 : An insurance company insured 2,000 cyclists, 4,000 scooter drivers and 6,000 motorbike drivers. The probability of an accident involving a cyclist, scooter driver and a motorbike driver are 0.01, 0.03, and 0.15 respectively. One of the insured persons meets with an accident. What is the probability that he is a scooter driver? (View Answer Video)
Question 3 : In a game, a man wins rupee five for number six and losses rupee one for any other number, when a fair die is thrown. The man decided to throw a die thrice but to quit as and when he gets a six. Find the expected value of the amount he wins/losses. (View Answer Video)
Question 4 : A bag contains 4 red and 4 black balls, another bag contains 2 red and 6 black balls. One of the two bags is selected at random and two balls are drawn at random (without replacement) from the bag which are both found to be red. Find the probability that the balls are drawn from the first bag. (View Answer Video)
Question 5 : If E and F are independent events, then show that and
(View Answer Video)