CBSE Maths 12 Science Vector Algebra MCQ Answers in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides CBSE Maths 12 Science Vector Algebra MCQ Answers 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 Vector Algebra 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:
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Question 1 : Find the unit vector in the direction of if and (View Answer Video)
Question 2 : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1), directed from A to B. (View Answer Video)
Question 3 : Find a unit vector parallel to the sum of vectors and (View Answer Video)
Question 4 : L and M are two points with position vectors and respectively. Write the position vectors of a point N which divides the line segment LM in the ratio 2:1 externally. (View Answer Video)
Question 5 : Find a vector in the direction of vector which has magnitude 21 units. (View Answer Video)
Question 1 : Ifthen the approximate value of f(3.02) is : (View Answer Video)
Question 2 : Find the equation of the normal to a curve which passes through the point (1,2). (View Answer Video)
Question 3 : 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 4 : 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 5 : Find two numbers whose sum is 24 and whose product is as large as possible. (View Answer Video)
Question 1 : 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 2 : A card from a pack of 52 playing card is lost. From the remaining cards of the pack, three cards are drawn at random (without replacement) and are found to be all spades. Find the probability of the lost card being a spade. (View Answer Video)
Question 3 : Four cards are drawn successively with replacement from a well shuffled deck of 52 cards. What is the probability that:
All the four cards are spades?
(View Answer Video)
Question 4 : If P(F) = 0.35 and =0.85 and E and F are independent events. Find P(E). (View Answer Video)
Question 5 : If and then find . (View Answer Video)
Question 1 : Using the method of integration, find the area of the region bounded by the lines 3x - y - 3 = 0, 2x + y - 12 = 0 and x -2y - 1 = 0. (View Answer Video)
Question 2 : Using integration, find the area of the region bounded by the line 2x + y = 4, 3x - 2y = 6 and x - 3y + 5 = 0. (View Answer Video)
Question 3 : Find the area bounded by curves . (View Answer Video)
Question 4 : Using integration, find the area of the triangle ABC, where A is (2,3), B is (4,7) and C is (6,2). (View Answer Video)
Question 5 : Using integration, find the area of the region bounded by the curves and y = x. (View Answer Video)