Question

lf a/b+b/a=1 then a^3+b^3 is​

Answer 1

Answer:

a/b+b/a= 1

a×a/a×b+b×b/a×b = 1 ( lcm )

a²/ab+b²/ab = 1

a²+b²/ab=1

a²+b²=ab

so, a³+b³ = (a+b)(a²-ab+b²)

= (a+b)(a²+b²-ab)

= (a+b)(ab - ab)

= (a+b) (0)

a³+b³ = 0 ..

Answer 2

answer is in the pics

you can see