Question

if x=1+√2,find the value of (x-1/x)(x-1/x)(x-1/x)​

Answer 1

Answer:

X=√2+1

1/x=√2-1

so X-(1/X)=2

now value of (x-1/x)(x-1/x)(x-1/x)=2*2*2=8

is the right answer

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