- If x^2 + y^2 = 85 and xy= 5, evaluate (1/x-1/y)^2?

Discover Questions

What are the limitations of The Dishe Diphenylamine test? what are the limitations of the Sudan IV test? If speed keeps something in orbit what keeps geostationary objects in orbit? Brian has an unlimited number of cents (pennies), nickels, and dimes. In how many different ways can he pay 21cents for a chocolate mint? Are there many insects, flies and mosquitoes in Arizona? What is the advantages and disadvantages of the IT earthing
system and where it is practised?