A positive real number is 8 more than another. If the sum of th...

A positive real number is 1 more than its reciprocal. Find the number: A. [1-sqrt(5)]/2 B. 2...

Let x and y be positive real numbers such that x + y = 1. Prove that (1 + (1/x)) * (1 + (1/y)) ≥...

Find three positive real numbers whose sum is 52 and whose product is a maximum?????

Let c and dd be positive real numbers. Show that regardless of c,d, the parabolas r=c/(1+cos(theta))...

For some positive real number r , the line x+y=r is tangent to the circle x^2+y^2 = r. Find r. H...

If x and y are positive real numbers satisfying x+y≤xy, what is the smallest value of x+y?

Find a positive real number such that its square is equal to 4 times the number, increased by 60.

For a positive real number a, the graph of which of the following polar equations is a circle with...

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