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Factorise y power6 -64 |
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Answer» Step-by-step explanation: y^6-64= (y^2)^3 - (4)^3 =(y^2 - 4) (y^4 + 4y^2 + 16) =(y+2) (y-2) (y^4 + 4y^2 +16) |
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