Math, asked by niharika2659, 11 months ago

plzz solve this question

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Aditya03nw: your answer 2√2

Answers

Answered by pijushBisal

1

a=1-√2,

1/a=(1+√2)/(1+√2).(1-√2)=1+√2/1-2=-(1+√2)

so,a-1/a=1-√2+1+√2=2

(a+1/a)3=8

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