гĔ(sh)W(xu)֪Rc(din)纯(sh)cָ(sh)(sh)֪Rc(din)
(do)ZF(xin)Ժкܶo(sh)(yn)ڼüP@(sh)W(xu)ӵIJ˶h(yun)f(sh)W(xu)˼hСĸД(sh)W(xu)֪Rc(din)ϣ!gӭxHP(gun)֪RՈP(gun)עCNFLAW(xu)(x)W(wng)!
ָ(sh)(sh)c(din)֪Rc(din)
һָ(sh)(sh)`x
ָ(sh)(sh)һʽy=a^x(a>0≠1) (x∈R).
ָ(sh)(sh)|(zh)
1.xSoչ=(sh)Ķx?yn)?-∞+∞)
2.xSϷSxֵĜpСoXS(xSĝu)=(sh)ֵ?yn)?0+∞)
纯(sh)c(din)֪R
һx
y=x^a(a鳣(sh))ĺ(sh)Եה(sh)׃ ׃ָ(sh)鳣ĺ(sh)Q纯(sh)
|(zh)
纯(sh)(jng)^,ԓ(sh)ָ(sh)ķnż(sh),ĸm(sh),ty>0,Dڵһ;.@r(-1)^pָ(sh)pżԟoP(gun).
(sh)ָ(sh)ķĸmż(sh),n(sh),tx>0(x>=0);y>0(y>=0),Dڵһ.cpżP(gun)ϵ
ͨ^ƷW(xu)(x)W(wng)ṩĸД(sh)W(xu)֪Rc(din)纯(sh)ͬW(xu)һ纯(sh)˸̵Ȼ(sh)W(xu)ČW(xu)(x)ͬW(xu)ƣһҪƽrӾ(x)ڿԇȡúóɿ
гĔ(sh)W(xu)֪Rc(din)纯(sh)cָ(sh)(sh)֪Rc(din)P(gun)£
гĔ(sh)W(xu)֪Rc(din)(sh)(sh)c纯(sh)10-18
гĔ(sh)W(xu)֪Rc(din)ָ(sh)(sh)(sh)ż10-17
гĔ(sh)W(xu)֪Rc(din)(do)(sh)10-18
гĔ(sh)W(xu)֪Rc(din)㷨10-12