CBSE Answers for MCQ 12 Science Maths Vector Algebra in English to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides CBSE Answers for MCQ 12 Science Maths Vector Algebra 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:
If and are two equal vectors, then write the value of
Answer Video in English:
You can select video Answers from other languages also. Please check Answers in ( Hindi )
Question 1 : Find the unit vector in the direction of vector PQ, where P and Q are the points (1, 2, 3) and (4, 5, 6) respectively. (View Answer Video)
Question 2 : Find the scalar components of the vector with initial point A (2, 1) and terminal point B (-5, 7). (View Answer Video)
Question 3 : Find the scalar quantities from the following:
(i) Time period (ii) Distance (iii) Force
(iv) Velocity (v) Work done (View Answer Video)
Question 4 : Find the area of the parallelogram whose adjacent sides are determined by the vectors and (View Answer Video)
Question 5 : Find the scalar and vector components of the vector with initial point (2, 1) and terminal point (-5, 7). (View Answer Video)
Question 1 : Find . (View Answer Video)
Question 2 : (View Answer Video)
Question 3 : Evaluate : (View Answer Video)
Question 4 : Find the integral of the function . (View Answer Video)
Question 5 : Evaluate: as limit of sums. (View Answer Video)
Question 1 : The normal to the curve passing (1,2) is____________. (View Answer Video)
Question 2 : The line y = x + 1 is a tangent to the curve at the point: (View Answer Video)
Question 3 : Find the approximate change in the surface area of a cube of side x meters caused by decreasing the side by 1%. (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 : Find the approximate change in volume V of a cube of side x meters caused by increasing the side by 1%. (View Answer Video)
Question 1 : Transpose of a column matrix is, (View Answer Video)
Question 2 : Evaluate the determinant: . (View Answer Video)
Question 3 : Find the equation of the line joining (3, 1) and (9, 3) using determinants. (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 : Find the inverse of the matrix . (View Answer Video)