if x and y are positive real numbers such that x.[x] = 36 and y...

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

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

x,y,z are positive real numbers such that x+y+z=9 and xy+9xz+25yz=9xyz. Find the sum of all possible...

Let x,y,z be positive real numbers such that: xyz=945 x(y+1)+y(z+1)+z(x+1)=385. What is the minim...

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

A positive real number is 8 more than another. If the sum of the squares of the two numbers is 72, f...

Let $r$ be the positive real solution to $x^3 + \frac{2}{5} x - 1 = x^3 - 3x + 7.$ Find the exact n...

If r and s are positive real numbers, which expression is equivalent to StartFraction r Superscript...

If r and s are positive real numbers, which expression is equivalent to r^2/3 s^1/2 over rs? r^3...

If r and s are positive real numbers, which expression is equivalent to StartFraction r Superscript...

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