Question

a²=2a-1,prove
${a}^{2} + \frac{1}{a ^{2} } = {a}^{4} + \frac{1}{ {a}^{4} }$
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Answer 1

Answer:

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Answer 2

Answer:

a²=2a-1,prove

{a}^{2} + \frac{1}{a ^{2} } = {a}^{4} + \frac{1}{ {a}^{4} }a

2

+

a

2

1

=a

4

+

a

4

1