y=3(x-(1/2))^2+1 当y=0x=?

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y=3(x-(1/2))^2+1当y=0x=?y=3(x-(1/2))^2+1当y=0x=?y=3(x-(1/2))^2+1当y=0x=?把y=0代入y=3(x-(1/2))^2+1得0=3(x-(1

y=3(x-(1/2))^2+1 当y=0x=?
y=3(x-(1/2))^2+1 当y=0
x=?

y=3(x-(1/2))^2+1 当y=0x=?
把y=0代入y=3(x-(1/2))^2+1得
0=3(x-(1/2))^2+1
把1移到左边
即-1=3(x-(1/2))^2
由此可以看出(x-(1/2))^2 ≥0
3(x-(1/2))^2 ≥0
还有可能=-1吗?
∴无解