Cevap:
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[tex] {(2a - \frac{3}{a} )}^{2} = {4}^{2} \\ {4a}^{2} + \frac{9}{ {a}^{2} } - 12 = 16 \\ {4a}^{2} + \frac{9}{ {a}^{2} } = 16 + 12 = 28[/tex]
