Question

if xy(x+y)=1 ; find the value of 1/x³y³ - (x³-y³)​

Answer 1

2

Step-by-step explanation:

if yx+xy=−1

simplifies to x2+xy+y2=0

as (x3−y3)=(x−y)(x2+xy+y2)=0   using above result

Please Make Me The Brainlist Please!