Question

EXPAND ( a + 1/a)^2?
=​

Answer 1

Answer:

a^4+2a^2+1/x^2

Step-by-step explanation:

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Answer 2

${(a + \frac{1}{a} })^{2} \\ = ( {a})^{2} + 2.a. \frac{1}{a} + { (\frac{1}{a} })^{2} \\ = {a}^{2} + 2 + \frac{1}{ {a}^{2} }$