Question

If a+1/a=6 then find the value of a³+1/a³​

Answer 1

Answer:

198

Step-by-step explanation:

a+1/a = 6

taking cube on both sides

(a+1/a)^3 = 6^3

a^3 + 1/a^3 + 3(a+1/a) = 216

a^3 + 1/a^3 + 18 = 216

a^3 + 1/a^3 = 198