Mathematics
Senior High
12(1)、(2)の解説お願いします🙏
15
√5-1
√5 +1'
(1) x²+y²
12. x=
y=
5+1
のとき,次の式の値を求めよ。
√5-10% 01. S (S)
(2) x² - y²
0[>d+p>Q
#5T$3505
S
→p.34
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