如果x2﹣2(m+1)x+m2+5是一个完全平方式,则m=( ).
2
已知f(x)是定义在[-e,e]上的奇函数,当x∈(0,e)时,f(x)=ex+lnx,其中e是自然对数的底数.
(1)求f(x)的解析式;
(2)求f(x)的图象在点P(-1,f(-1))处的切线方程.
It is very kind ____ you to help me with my lessons. It is hard ____ me to learn them well.
A.of; for
B.of; of
C.for; of
D.for; for