Question

if x+1/x =3 then value of x^8+1/x^8 is​

Answer 1

Answer:

see solution in attachment...

answer..2207

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Answer 2

Answer:

257

Step-by-step explanation:

(x+1)/x=3

by cross multiplication,

x+1=3x

then,

2x = 1

x =1/2

(x^8 + 1)/x^8={(1/2)^8 + 1}/(1/2)^8

=>{(1/256) + 1}/(1/256)=

256{(1/256)+(256/256)}= 256{257/256)

=257