Math, asked by suvid60, 1 year ago

if a^2-3a+1=0 find a^2+(1/a^2)​

Answers

Answered by avijit73
11

Answer:

a^2-3a+1=0

a^2+1=3a

a+1/a=3.

then, (a+1/a)^2=(3)^2

a^2+1/a^2-2=9

a^2+1/a^2=11

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