Mathematics
Senior High
Resolved

解き方がわかりません。
教えてください。

Answers

✨ Best Answer ✨

x=2+√3
y=2-√3
x+y=4
x-y=2√3
xy=1
x³+y³=(x+y)(x²-xy+y²)
=(x+y){(x-y)²+xy}
=4×{(2√3)²+1}
=4×13
=52

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