Question

(ii) If a + 1/a = 2 then a^9 + 1/a^9 =​

Answer 1

Answer:

a=1,a^9 + 1/a^9 =1+1=2

Step-by-step explanation:

a + 1/a = 2

a+1=2a

a=1

1^9+1/1^9=1+1=2

Answer 2

Answer:18

Step-by-step explanation:

a+1/a=2---------(1)

And 9a+1/9a=?----------(2)

Value of a is 2 so 9a =9×2=18.