Mathematics
Senior High
Solved
(1)から(4)2次不等式の解き方あっていますか?間違っていたら解き方と答えを教えてほしいです。
(1) 2²³² - 4x + 6 > 0
D = 16-24 = -8 <0.
(x - 2)² + 270
FIF 17 IN 2011
(4) 2 x ² + 4 9 + 3 ≤0
0=0.
2(x+1)+1c0
Fit Tin
(2)2²-4x+6=0
D<.0
(x - 2)² + 2 = 0
解はすべての解
(3) 22^²+4x+320
D = (6-24 = -8 <0
( 2 (2+1)²²³4 1 20
IF TEU
(1) x²-4x+6>0
(3) 2x²+4x+3<0
(2) x²-4x+6≥0
(4) 2x²+4x+3≤0
Answers
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