Calculate the level of risk aversion according to the Arrow - Pratt formula?

for the following utility functionsi. U1 = X0.5 / a0.5ii. U2 = Xand will you show how you worked it out please. Thankyou or:for the following utility

for the following utility functions
i. U1 = X0.5 / a0.5
ii. U2 = X

and will you show how you worked it out please. Thankyou

or:for the following utility functionsi. U1 = X0.5 / a0.5ii. U2 = Xand will you show how you worked it out please. Thankyou

Tags:economics,microeconomics,