Question

if a^2 - 7a-1 = 0 find
1) a- 1/a
2) a+ 1/a
3) a^2 + 1/ a^2

Answer 1

Answer:

5434554434575490964116900

Step-by-step explanation:

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• xuvdkgsktekgskgdg
• hxjxkgd