Question

If a+1 / a = 3
= 3, find : a2 +1/a2​

Answer 1

Answer:

7

Step-by-step explanation:

a2+1by a2=(a+1bya)2-2

a2+1bya2=(3)2-2

a2+1bya2=9-2

a2+1bya2=7

Answer 2

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