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I don't understand this, what's the answer? ​

I don't understand this, what's the answer? ​-example-1
User Zoidberg
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1 Answer

5 votes
Answer: y⁷
Steps: y¹¹ x y⁻⁴ = y¹¹⁺⁻⁴ = y⁷
User Steve Sahayadarlin
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