Maths Three Dimensional Geometry CBSE 12 Science MCQ in English Answers to enable students to get Answers in a narrative video format for the specific question.
Expert Teacher provides Maths Three Dimensional Geometry CBSE 12 Science MCQ English Answers. 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 Answer in a narrative video format.
Question:
Answer Video in English:
Question 1 : If the equation of a line AB is then, find the direction cosines of a line parallel to AB. (View Answer Video)
Question 2 : Find the angle between the planes 7x + 2y + 6z = 15 and 3x - y + 10z = 17. (View Answer Video)
Question 3 : Write the sum of intercepts cut off by the plane on the three axes. (View Answer Video)
Question 4 : Find the vector equation of the plane which contains the line of intersection of the planes and and which is perpendicular to the plane (View Answer Video)
Question 5 : Find the distance of the point (1, -2, 3) from the plane x-y+z=5 measured parallel to the line (View Answer Video)
Question 1 : The law a + b = b + a is called ______. (View Answer Video)
Question 2 : Let A = {1, 2, 3, 4} and let R = {(2, 2), (3, 3), (4, 4), (1, 2)} be a relation on A. Then, R is, (View Answer Video)
Question 3 : A function defined as is, (View Answer Video)
Question 4 : be defined as f(x) = (View Answer Video)
Question 5 : If the mapping f and g are given by f = {(1, 2), (3, 5), (4, 1)} and g = {(2, 3), (5, 1), (1, 3)}, Find . (View Answer Video)
Question 1 : Write the value of for which the vectors and are parallel vectors. (View Answer Video)
Question 2 : The two vectors and represent the two sides AB and AC, respectively of Find the length of the median
though A. (View Answer Video)
Question 3 : Find the unit vector in the direction of if and (View Answer Video)
Question 4 : P and Q are two points with position vectors and respectively. Write the position vector of a point R which divides the line segment PQ externally in the ratio 2:1. (View Answer Video)
Question 5 : Find the sum of the vectors and (View Answer Video)
Question 1 : Find the area of the region in the first quadrant enclosed by x-axis, line and the circle (View Answer Video)
Question 2 : 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 3 : Find the area of the smaller region bounded by the ellipse and the straight line 8x + 3y = 12. (View Answer Video)
Question 4 : Using integration, find the area of the triangle formed by a positive x-axis and tangent and normal to the circle at . (View Answer Video)
Question 5 : Find the area of the given curves and given lines:
and x-axis (View Answer Video)