Question

a3 + 1/a3 then what is a​

Answer 1

Step-by-step explanation:

a³ +(1/a)³

According to formula = a³ + 3a²b + 3ab² + b³

substituting the value on formula ,

a³ +3 x (a²) x 1/a + 3 x a x ( 1/a)² + ( 1/a)³

= a³ + 3a + 3/a + 1/ a³

Answer

Answer 2

Answer:

hello mate

let.. a3+1/a3=0

=== (9a^2+1) /3a=0

9a^2+1=3a

a^2/a=(3-1) /9

a=2/9

answered