Question

find the cube of x-1/x+y

Answer 1

(x³ - 3x² + 3x + 1) / (x³ + y³ + 3xy² + 3x²y) 

Answer 2

here is your ans...
$( {x}^{3} - {3x}^{2} + 3x + 1 )$
/
${x}^{3} + {y}^{3} + {3x}^{2} y + {3xy}^{2}$
hope it helps you...