Mathematics
Senior High
解法を教えてください。
平方完成の仕方がわからないです。
基本
2
X-10x+25
(6) 2次関数y=3x²-12x+13の最小値は
2
3(x=4x)
基本
(2) 2次関数y=2x²+4x-1のグラフの頂点は,
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