book Maths Puzzle Numerical Ability

(x/xy-y^2)-(y/xy-x^2)-1/x
please help me solve this fractional exponent
thank you

Read Solution (Total 0)

book Other Question

I need help solving this equation:

{{{9x^(-4/3)+32x^(-2/3)=16}}}

At first I tried substituting y for {{{x^(-2/3)}}} so I ended up with {{{9y^2+32y-16=0}}}. I ended with y= 4/ How do you solve 3 over the square root of 48