Does the polynomial y^4-4y^2+5 have zeroes or not
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ler y^2 be x.
x ^2 - 4x + 5 = 0
since , it can't be splitted further . it doesn't have any zeroes...
x ^2 - 4x + 5 = 0
since , it can't be splitted further . it doesn't have any zeroes...
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