Mathematics
Senior High
教えてください
7
[1003-0106-0004 ]
2次方程式+ (a+3)x-2a+1=0の1つの解が3であるとき, aの値と他の解を求めなさい。
8
[1003-0108-0015]
xの2次方程式ポ+2(a+2)x+a'+1=0の実数解の個数を調べよ.
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