解log(2x – 3)(x2-3)>0 (2x-3)是底数.
问题描述:
解log(2x – 3)(x2-3)>0 (2x-3)是底数.
答
log(2x – 3)(x2-3)>0
log(2x – 3)(x2-3)>log(2x – 3) 1
x2-3>1
x²>4
x2
另2x-3>0 x>3/2
取交集
所以 x>2
答
log(2x-3)(x²-3)>log(2x-3) (1)
若0