(2x-1)(1-|x|)>0x^2-2|x|-15≥0 (2x)/(x-1)>(1/x)ax^2-(2a+1)+2

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(2x-1)(1-|x|)>0x^2-2|x|-15≥0(2x)/(x-1)>(1/x)ax^2-(2a+1)+2(2x-1)(1-|x|)>0x^2-2|x|-15≥0(2x)/(x-1)>(1/x

(2x-1)(1-|x|)>0x^2-2|x|-15≥0 (2x)/(x-1)>(1/x)ax^2-(2a+1)+2
(2x-1)(1-|x|)>0
x^2-2|x|-15≥0
(2x)/(x-1)>(1/x)
ax^2-(2a+1)+2

(2x-1)(1-|x|)>0x^2-2|x|-15≥0 (2x)/(x-1)>(1/x)ax^2-(2a+1)+2
一、(2x-1)(1-|x|)>0,
x≥0且(2x-1)(1-x)>0,
x≥0且[x>0.5,x