#1**+1 **

= ( 3^2 * 2 * x * x^6 * y^6)^1/2

= 3 x^3 y^3 sqrt(2 x)

Did I do too many steps at once?

ElectricPavlov
Feb 20, 2018

#2**+1 **

Second one Multiply the numerator AND denominator by (sqrt 2 - sqrt 10) then simplify all of the terms to get

-3/2+1/2 sqrt(5)

ElectricPavlov
Feb 20, 2018