Question

pls answer quickly it is free 15 points​

Answer 1

Answer:

b)1 is the answer pls matk as brainliest

Answer 2

$\huge\tt\purple{Answer:}$

$\frac{x}{y} + \frac{y}{x} = - 1$

${x}^{3} - {y}^{3} = 1$