CBSE MCQ in English Solutions for Maths 12 Science Three Dimensional Geometry

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

Expert Teacher provides CBSE MCQ Solutions for Maths 12 Science 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:

If a line marks angles QuestionQuestion and Questionwith x, y and z-axis respectively, where Question is acute, then find Question.

Solution Video in English:

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

Question 1 : Find the vector equation of the line passing through the point (1, 2, 3) and parallel to the planes  Question  and
Question (View Answer Video)

Question 2 : Find the cartesian equation of the line which passes through the point (-2, 4, -5) and is parallel to the line Question (View Answer Video)

Question 3 : Find the equation of the plane passing through the line of intersection of the plane Question and  Question which is at a unit distance from the origin. (View Answer Video)

Question 4 : Find the vector equation of a plane which is at a distance of 5 units from the origin and its normal vector is Question (View Answer Video)

Question 5 : Find the distance between the point (5, 4, -6) and its image in xy-plane. (View Answer Video)

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

Vector Algebra

Question 1 : Find the projection of the vectorQuestion on the vector Question (View Answer Video)

Question 2 : Find the position vector of a point which divides the join of points with position vectors Questionand Questionexternally in the ration 2:1.  (View Answer Video)

Question 3 : Find the sum of the vectors Question and Question (View Answer Video)

Question 4 : For given vectors,Questionand Questionfind the unit vector in the direction of the vector a + b. (View Answer Video)

Question 5 :  Find the scalar quantities from the following:
(i) 10 kg          (ii) 2 m north-west          (iii) Question
(iv) 40 W         (v) Question                   (vi) Question  (View Answer Video)

Probability

Question 1 :  Bag I contains 3 red and 4 black balls and Bag II contains 4 red and 5 black balls. Two balls are transferred at random from Bag I to Bag II and then a ball is drawn from Bag II.  The ball so drawn is found to be red in colour. Find the probability that the transferred balls were both black.   (View Answer Video)

Question 2 : One card is drawn from a pack of 52 cards. Find the probability of getting a red card:
  (View Answer Video)

Question 3 :  If E and F are independent events, then show thatQuestion and Question
  (View Answer Video)

Question 4 : Consider the experiment of tossing a coin. If the coin shows head, toss is done again, but if it shows tail, then throw a die. Find the conditional probability of the events that ' the die shows a number greater than 4', given that ' there is atleast one tail'.    (View Answer Video)

Question 5 : Assume that the chances of a patient having a heart attack are 40%. Assume that a meditation and yoga course reduces the risk of heart attack by 30% and the prescription of certain drugs and certain restrictions reduces the risk by 25%. At a time, a patient choses only one of the two options with equal probabilities. After going through one of the two options, the patient is selected at random who is suffering from a heart attack. Find the probability that the patient followed a course of meditation and yoga. Write the value referred here.      (View Answer Video)

Integrals

Question 1 : Show that : Question (View Answer Video)

Question 2 : Evaluate : Question (View Answer Video)

Question 3 : Find Question. (View Answer Video)

Question 4 : Find : Question.  (View Answer Video)

Question 5 : Evaluate : Question (View Answer Video)