factorise y power6 -64
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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)
hope it helps u!! :))
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