Question

if a/b+b/a=(-1), then the value of a3+b3 is
[need the answer with working]​

Answer 1

Answer:

-1

Step-by-step explanation:

Given: a+b=-1 ... (i)

(a+b)3=(-1)3

a3+b3+3ab(a+b)=-1

a3+b3+3ab(-1)=-1  .... Using (i)

a3+b3-3ab=-1