Math, asked by pranathi93, 2 months ago

if x^2-5x+1=0 them x^2+1/x^2

Answers

Answered by aayushgusain3

0

Answer:

x1,2=12(5±21−−√)

Now since x2=5x−1 and x1=1/x2 we have

x2+1x2=52(5+21−−√)−1+52(5−21−−√)−1=25−2=23.

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