if x=√8+3 then find the value of x2+1\x2
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Answer:
579/17+6√8
Step-by-step explanation:
If x=√8+3 then,
x²+1/x² = (√8+3)² + 1/(√8+3)²
= 8+9+6√8 + 1/ 8+9+6√8
= 17+6√8 +1/ 17+6√8
= 579/17+6√8
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