MCQ in Hindi Vector Algebra Solutions for CBSE Maths 12 Science to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides MCQ Vector Algebra Solutions for CBSE Maths 12 Science through Video Solutions in Hindi 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 Solution in a narrative video format.
Question:
Find a vector in the direction of that has magnitude 7 units.
Solution Video in Hindi:
You can select video Solutions from other languages also. Please check Solutions in ( English )
Question 1 : Write a unit vector in the direction of the sum of vectors and
(View Answer Video)
Question 2 : Find the sum of the vectors and
(View Answer Video)
Question 3 : Find the value of if the points with position vectors
and
are coplanar. (View Answer Video)
Question 4 : Find the sum of the vectors : (View Answer Video)
Question 5 : Find a vector in the direction of that has magnitude 7 units. (View Answer Video)
Question 1 : A balloon, which always remains spherical on inflation, is being inflated by pumping in 900 cubic centimetres of gas per second. Find the rate at which the radius of the balloon increases when the radius is 15 cm. (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 : What is the maximum value of the function sin x+ cos x? (View Answer Video)
Question 4 : The total revenue in rupees received from the sale of x units of a product is given by . The marginal revenue, when x=15 is: (View Answer Video)
Question 5 : The total revenue (in Rs) received from the sale of 'x' units of a product is given by :
R(x) =3x2+36x+5.
FInd the marginal revenue when x=5, where by marginal revenue we mean the rate of change of total revenue with respect to the number of items sold at an instant. (View Answer Video)
Question 1 : Differentiate the function w.r.t.x . (View Answer Video)
Question 2 : Differentiate the function with respect to x. (View Answer Video)
Question 3 : If x and y are connected parametrically by the equation , without eliminating the parameter, find
. (View Answer Video)
Question 4 : If x and y are connected parametrically by the equation , without eliminating the parameter, find
. (View Answer Video)
Question 5 : Differentiate the function with respect to x. (View Answer Video)
Question 1 : Points (a,a,c),(1,0,1) and (c,c,b) are collinear if: (View Answer Video)
Question 2 : Transpose of a rectangular matrix is a, (View Answer Video)
Question 3 : The solution of the following system of equation is 2x + 3y = 5, 5x – 2y = 3. (View Answer Video)
Question 4 : Find the area of the triangle with vertices at the points (2, 7), (1, 1), (10, 8). (View Answer Video)
Question 5 : Let A be a square matrix of order , then |kA| is equal to, (View Answer Video)