if a/b+b/a=-1,then the value of a³+b³ is
Answers
Answered by
1
Answer:
0
Step-by-step explanation:
(a+b)(a^2+ab+b^2)=a^3+b^3(odentity)
a/b+b/a=-1
a^2+b^2/ab=-1
a^2+b^2=-ab
a^2+b^2+ab=0 equation 1
Put eq1 in identity
(a+b)(0)=a^3+b^3
Therefore a^3+b^3=0
Similar questions