Question

solve this
no spams ❌❌❌​
please answer
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Answer 1

Answer:

$a - \frac{1}{a} = 3\\ \frac{ {a}^{2} - 1 }{a} = 3 \\ {a}^{2} - 1 = 3a \\ {a}^{2} - 3a - 1 = 0 \\ a = 3 \: or \: 1$

Answer 2

Step-by-step explanation:

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