Question

if alfa and beta are the roots
of the quadratic x2+5x-1=0 then find alfa3+ beta3​

Answer 1

Answer:

Hope it will help you to understand the problem

Answer 2

Step-by-step explanation:

x²+5x-1=0

$\alpha + \beta = - b \: by \: a$

$\alpha \beta = \frac{c}{a}$ the we found by equation the value of alpha³ and beta³ is -140