A.若\(a > b > 0\),则\(\ln a < \ln b\) |
B.向量\(a=\left( 1,m \right),b=\left( m,2m-1 \right)\left( m\in R \right)\)垂直的充要条件是\(m=1\) |
C.命题“\(\forall n\in {{N}^{*}},{{3}^{n}} > \left( n+2 \right)\cdot {{2}^{n-1}}\)”的否定是“\(\forall n\in {{N}^{*}},{{3}^{n}}\geqslant \left( n+2 \right)\cdot {{2}^{n-1}}\)” |
D.已知函数\(f\left( x \right)\)在区间\(\left[ a,b \right]\)上的图象是连续不断的,则命题“若\(f(a)\cdot f(b) < 0\), 则\(f\left( x \right)\)在区间\(\left( a,b \right)\)内至少有一个零点\(f\left( x \right)\)”的逆命题为假命题. |