Mathematics: If x/y + y/x = -1 , ( x unequal y, y unequal 0) then the value of x^2 - y^2 is?

20Step-by-step explanation:4+4+4 (4*3)= 1212+8=20...

If x/y + y/x = -1 , ( x unequal y, y unequal 0)

Ответ:

pc103919

12.03.2022

$\dfrac{x}{y}+\dfrac{y}{x}=-1|\cdot xy\\\\ x^2+y^2=-xy\\\\ x^2+xy+y^2=0\\\\ \boxed{x^3-y^3=(x+y)(x^2+xy+y^2)}\\ \Downarrow\\ x^3-y^3=(x+y)\cdot 0\\\\ \boxed{\boxed{x^3-y^3=0}}$

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Ответ:

supiine295

03.06.2023

Mathematics

Step-by-step explanation:

4+4+4 (4*3)= 12

12+8=20

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If x/y + y/x = -1 , ( x unequal y, y unequal 0) then the value of x^2 - y^2 is?

Ответ:

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