SOLUTION: 9.) Solve by any method.
a^4 – 5a^2 + 4 = 0
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Question 165908: 9.) Solve by any method.
a^4 – 5a^2 + 4 = 0
Answer by tutorcecilia(2152) (Show Source): You can put this solution on YOUR website!
a^4 – 5a^2 + 4 = 0
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