Three Dimensional Geometry Maths 12 Science CBSE Solutions for MCQ in English to enable students to get Solutions in a narrative video format for the specific question.
Expert Teacher provides Three Dimensional Geometry Maths 12 Science CBSE Solutions for MCQ 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 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 Solution in a narrative video format.
Question:
Find the direction cosines of the line
Solution Video in English:
Question 1 : The equation of a line AB is Write the direction cosines of a line parallel to the above line. (View Answer Video)
Question 2 : Find the equation of the plane passing through the line of intersection of the planes and which is perpendicular to the plane . (View Answer Video)
Question 3 : Find the distance of point from the plane (View Answer Video)
Question 4 : Find the distance of the plane : 3x - 4y + 12z = 3 from the origin. (View Answer Video)
Question 5 : Find the equation of the plane passing through the line of intersection of the planes x + y + z = 1 and 2x + 3y + 4z = 5 which is perpendicular to the plane x - y + z = 0. Also, find the distance of the plane obtained above from the origin. (View Answer Video)
Question 1 : If, then the approximate value of f(3.02) is _________. (View Answer Video)
Question 2 : The line y=mx+1 is a tangent to the curve if the value of m is ________. (View Answer Video)
Question 3 : 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 4 : It is given that at x=1, the function attains its maximum value on the interval[0,2]. Find the value of a? (View Answer Video)
Question 5 : Find two positive numbers x and y such that x+y=60 and is maximum. (View Answer Video)
Question 1 : Find the area enclosed by the parabola and the line x - y = 4. (View Answer Video)
Question 2 : Using the method of integration, find the area of the region bounded by the lines 3x - 2y + 1 = 0, 2x + 3y -21 = 0 and x - 5y + 9 = 0. (View Answer Video)
Question 3 : Find the area enclosed by the parabola and the line 2y = 3x + 12. (View Answer Video)
Question 4 : Find the area of the circle which is interior to the parabola (View Answer Video)
Question 5 : 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 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)