Question

Which expression results in a product that is rational?

(a)square root of 7 times square root of 10
(b)square root of 8 times square root of 10
(c) square root of 9 times square root of 10
(d)square root of 10 times square root of 10

Answer 1

C
The square root of 9+ the square root of 10=5.33483823