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The benefits of public goods are available to all and are not only restricted to one particular consumer. For example, if a person eats a chocolate or wears a shirt, these will not be available to others. It is said that this person’s consumption stands in rival relationship to the consumption of others. However, if we consider a public park or measures to reduce air pollution, the benefits will be available to all. One person’s consumption of a good does not reduce the amount available for consumption for others and so several people can enjoy the benefits, that is, the consumption of many people is not ‘rivalrous’.
If (r + s + t) = 12 and (rs + st + tr) = 60, then find the value of (r² + s² + t²).
If (x2 + y2) = 9 and (xy)2 = 3, then find the value of (x4 + y4).
If a2+2 = 2a
then find a4 - a3 + 2a2 -2a+ 9 = ?
The area of △ ABC is 44 cm2 . If D is the midpoint of BC and E is the midpoint of AB, then the area of △ BDE is
If (a + b + c) = 9, find (a – 4)3 + (b – 2)3 + ( c – 3)3 – 3(a – 4 ) (b – 2 ) (c &n...
If a + b = 56 and (a – b)² = 496, find the value of the product of a and b.
If = 2 then find
Atul has Rs.500 with him. He invested 30% of the amount at 5% p.a. for 6 years and rest at 20% p.a. for 4 years. Find the sum of simple interests receiv...
If x + 1/x = 5 then find out the value of x⁵ + 1/(x⁵)?