How to solve y²=x³+1 , y³+9 =4√81

[From: ] [author: ] [Date: 11-09-15] [Hit: ]

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y³+9 =4√81
y³+9 =4*9
y³ =3*9
y³ =3³
y=3

y²=x³+1
9=x³+1
8=x³
2³=x³ => x=2

1

keywords: solve,to,radic,How,sup,81,How to solve y²=x³+1 , y³+9 =4√81

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