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7 votes
7 votes
Solve w^4 - 18w^2 + 81 =0

User Stefan Sveidqvist
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2 Answers

21 votes
21 votes
W4 - 18W2 + 81 =0 this is the answer.
User Surreal
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9 votes
9 votes

Answer:

W4 - 18w2 + 81 =0 this is the answer

User Raspayu
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