Question

If a/b + b/a = 1, then a³ + b³ =
​

Answer 1

Answer:

a/b + b/a =1.

then a^3+b ^ 3=

a/b ^3 + b/a ^ 3 = 1.

Answer 2

a/b + b/a = a^2 + b^2/ab = 1

a^2 + b^2 =1

to find a^3 + b^3

divide by ab.

a^2/b + b ^2/a

ans is 1