Mathematics
Senior High
-1≦x≦2を2つの式に代入しても答えが同じで大小になってしまうのですがただの私の計算ミスなのでしょうか?
右の図より
x+x
-1≦x≦2のとき
Ses-so
-2x2+3x-1≧x-5
10.
+1
Answers
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