Question

if x+9/x=6 than x²+1/x²=_____
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Answer 1

Step-by-step explanation:

x+9=6x

9=6x-x

9=5x

x=9/5

x^2=9/5*9/5=81/25

81/25+1/81/25

81/25+25/81 =(81*81 + 25*25) /(81*25) =(6561+625) /2025 =7186/2025=3.55