Sederhanakan bentuk berikut ini x-¹-y-² per x-²-y-¹ A. X(x+y²) per y ( x²+y) B. X (x-y²) per y (x²-y) C. X ( x-y²) per y (x²+y) D. X ( x+y²) per y (x²-y) E. Y (

[tex] \frac{ {x}^{ - 1} - {y}^{ - 2} }{ {x}^{ - 2} - {y}^{ - 1} } = \frac{ \frac{1}{x} - \frac{1}{ {y}^{2} } }{ \frac{1}{ {x}^{2} } - \frac{1}{y} } = \frac{ \frac{ {y}^{2} - x}{x {y}^{2} } }{ \frac{y - {x}^{2} }{ {x}^{2}y } } = \frac{ {x}^{2}y( {y}^{2} - x) }{x {y}^{2}(y - {x}^{2} ) } = \frac{x( {y}^{2} - x) }{y(y - {x}^{2} )}[/tex]