Mathematics
Senior High
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(2)解説お願い致します🙇🏻♀️
*a, c³
a, b, c
a+b+c=1, ab+be+ca = -2, abc = -1
2,3
を満たす
とき,次の式の値を求めよ。
(1) a²+b²+c²
(2) +
1
a²
1
+
62
-/%
1
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