lg(2-x∧2)>0,求x
问题描述:
lg(2-x∧2)>0,求x
答
lg(2-x^2)>0
lg(2-x^2)>lg1
2-x^2>1
x^2
lg(2-x∧2)>0,求x
lg(2-x^2)>0
lg(2-x^2)>lg1
2-x^2>1
x^2