Mathematics
Senior High
この判別式で a≦0 a≧2 になるのがわからないです。
良ければ教えて頂きたいです🙇♀️
X²+ ²ax+ 2a=0
KYRYE DEVY D20
b = (20)-4x2α = (2a)-80
40²-80= 4ª (0-2) 30
a= 0,2
aso, a32
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ありがとうございます😭