Question 257403

here are some examples
x^1/2 means the sqrt(x)
compare x^(1/4) means fourth root
x^1/3 means cube root

x^(-2)=1/(x^2)
x^(-3/2) =1/x^(3/2) 

x^3/2 means cube it and take the square root=sqrt(x*x*x)=xsqrt(x)