MCQ in English 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 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 Solution in a narrative video format.
Question:
Find |a| and |b|, if (a + b).(a - b) = 8 and |a| = 8|b|.
Solution Video in English:
You can select video Solutions from other languages also. Please check Solutions in ( Hindi )
Question 1 : Find the area of the triangle with vertices A(1, 1, 2), B(2, 3, 5) and C(1, 5, 5). (View Answer Video)
Question 2 : 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 3 : Find the direction cosines of the vector joining the points A(1, 2, -3) and B(-1, -2, 1) directed from B to A. (View Answer Video)
Question 4 : Find the projection of the vector on the vector (View Answer Video)
Question 5 : Find the position vector of a point which divides the join of points with position vectors and externally in the ration 2:1. (View Answer Video)
Question 1 : Using the method of integration find the area bounded by the curve |x| + |y| = 1. (View Answer Video)
Question 2 : Find the area of the region bounded by the curve and . (View Answer Video)
Question 3 : Area lying in the first quadrant and bounded by the circle and the lines x =0 and x = 2 is (View Answer Video)
Question 4 : 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 5 : Find the area bounded by the curve and the line x = 4y - 2. (View Answer Video)
Question 1 : Find the distance between the point (-1, -5, -10) and the point of intersection of line and plane
x - y + z = 5. (View Answer Video)
Question 2 : If a lines makes angle and with the positive directions of x-axis and z-axis respectively, then find the angle that it makes with the y-axis. (View Answer Video)
Question 3 : Find the co-ordinates of the point where the line through the points A(3, 4, 1) and B(5, 1, 6) crosses the XY-plane. Also find angle which this line makes with the XZ-plane. (View Answer Video)
Question 4 : Find the distance of the point (3, 4, 5) from the plane x + y + z = 2 measured parallel to the line 2x = y = z. (View Answer Video)
Question 5 : Find the distance of the point from the plane 3x + y - z + 2+0 measured parallel to the line Also, find the foot of the perpendicular from the given point upon the given plane. (View Answer Video)
Question 1 : Find the inverse of the matrix, . (View Answer Video)
Question 2 : Compute: . (View Answer Video)
Question 3 : Using elementary transformation, find the inverse of the matrix . (View Answer Video)
Question 4 : If A is a square matrix such that, then find the simplified value of:. (View Answer Video)
Question 5 : Find the value of x, if . (View Answer Video)