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Grade 12Algebra

This is a q frm complex number.pls expain with detailed step so tht i can understand.pls keep in mind while explaing tht i dont have a strong base on complex numbers.thankyou

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Profile image of Athul Joseph
7 Years agoGrade 12
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1 Answer

Profile image of Aditya Gupta
ApprovedApproved Tutor Answer7 Years ago
Multiply and divide by (w-1)/(w^2-1)
But obviously y^5-1= (y-1)(y-a1)(y-a2)(y-a3)(y-a4)
So we have
(w^2-1)/(w-1)*(w^5-1)/(w^10-1)
= (w+1)^2
= w 

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