Question

if x=1-√2,then find the value of (x-1/x)^3​

Answer 1

i hope this will help you

Answer 2

=[(1-√2)-1/(1-√2)]^3

=[(1+2-2√2-1)/(1-√2)]^3

=[(2-2√2)/(1-√2)]^3

=2^3

=8

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