Question

If (a + 1/a) = 7, find the value of ( a^2 + 1/a^2 ). *​

Answer 1

Answer:

Step-by-step explanation:

a + 1/a = 7

[a + 1/a]² = [7]²

a² + 1/a² + 2 = 49

a² + 1/a²   = 49-2 = 47

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