Rationalize the denominator and simplify. \( \frac{2 \sqrt{x y}-3 \sqrt{y}}{\sqrt{x}}, x>0, y \geq 0 \) \( -\sqrt{x y} \) \( \frac{2 x \sqrt{y}-3 \sqrt{x y}}{x} \) \( \frac{-\sqrt{x}}{x} \) \( \frac{2 x-\sqrt{y}}{x} \)
Solución de tutoría real
Responder
Solución
¡Inicia sesión para desbloquear respuestas gratis!
Una plataforma de aprendizaje en la que confían millones de estudiantes y profesores reales.
Revisado y aprobado por el equipo de tutoría de UpStudy
The Deep Dive
To rationalize the denominator of \( \frac{2 \sqrt{x y}-3 \sqrt{y}}{\sqrt{x}} \), you can multiply both the numerator and the denominator by \( \sqrt{x} \). This results in: \[ \frac{(2 \sqrt{x y}-3 \sqrt{y}) \sqrt{x}}{\sqrt{x} \cdot \sqrt{x}} = \frac{2 \sqrt{x^2 y} - 3 \sqrt{x y}}{x} \] This simplifies to: \[ \frac{2 x \sqrt{y} - 3 \sqrt{x y}}{x} \] Now we can express the fraction in simplified form: \[ \frac{2 x \sqrt{y} - 3 \sqrt{x y}}{x} \] This matches the earlier option of \( \frac{2 x \sqrt{y} - 3 \sqrt{x y}}{x} \). So the next step would be to confirm that all the calculations remain concise, remembering to avoid knotted mistakes which often occur during fractions and square roots. Simplifying rational expressions might seem trivial, but careful step-by-step handling will save a lot of time!