Question

Please answer is fast ......​

Answer 1

${a}^{2} + \frac{1}{ {a}^{2} } = 23 \\ {a}^{2} + \frac{1}{ {a}^{2} } = 25 - 2 \\ {a}^{2} + \frac{1}{ {a}^{2} } + 2 = 25 \\ {a}^{2} + \frac{1}{ {a}^{2} } + 2(a)( \frac{1}{a} ) = 25 \\ {(a + \frac{1}{a}) }^{2} = 25 \\ a + \frac{1}{a} = 5$

Answer 2

Answer:

Step-by-step explanation: