Question

6. Efectúa A ya - Xoły + xy2 A 7x + 7 A C) 3 Xty 1 7(x + y) -1 X+y 2 B) x+y - 3 E 7x D) D) E) 7X+TY​

Answer 1

[tex] a \: = \: \frac{ {x}^{3} \: - \: {x}^{2}y \: + \: x {y}^{2} }{7 {x}^{4} \: + \: 7x {y}^{3} } [/tex]

[tex]a \: = \: \frac{ {x}^{2} \: - \: xy \: + \: {y}^{2} }{7( {x}^{3} \: + \: {y}^{3} )} [/tex]

[tex]a \: = \: \frac{ {x}^{2} \: - \: xy \: + \: {y}^{2} }{7(x \: + \: y) \: \times \: ( {x}^{2} \: - \: xy \: + \: {y}^{2} )} [/tex]

[tex]a \: = \: \frac{1}{7(x \: + \: y)} [/tex]

Respuesta: Opción A

Besitos OvO