Question

IF a+1/a=6,find a^3+1/a^3

Answer 1

a^3+1/a^3 = (a+1/a)^3 - 3*a*1/a(a+1/a)

= (6)^3 - 3*6

= 216 - 18

= 198

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Answer 2

Answer:

hiii dear...

Step-by-step explanation:

. a+1/a=6

as according to the question,

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

=(6) (6^2-6)

=6 (36-6)

=6*30

=180

thanks....❣️❣️❣️