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3 votes
If a+1/a=3 then find the value of a³+1/a³

User Marquito
by
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1 Answer

3 votes

Answer:

9

Explanation:

1.Solve the equation

a + 1/a = 3

a + 1 = 3a

2a = 1

a = 1/2

2. Replace 1/2 for a

1/2^3+1/1/2^3

1/8 + 1/1/8

1 1/8 divided by 1/8 = 9

User Hannes Johansson
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4.8k points