Question

If a=1/(a-5), find (i) a+1/a


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Answer 1

Step-by-step explanation:

a = 1/(a-5)

a - 5 = 1/a

a - 1/a = 5

a² + 1/a² - 2 = 25

a² + 1/a² = 27

a² + 1/a² + 2 = 29

(a + 1/a)² = 29

a + 1/a = √29

Answer 2

Answer:

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