{a<sub>n</sub>}为无穷小数列,{b<sub>n</sub>}<br /> 为有界数列,下面哪个数列一定为无穷小数列()。
A、{anbn}
B、{an/bn}
C、{bn/an}
D、{an+bn}
A、{anbn}
B、{an/bn}
C、{bn/an}
D、{an+bn}
A、T<sub>Nsub>=975P<sub>Nsub>n<sub>Nsub> B、T<sub>Nsub>=P<sub>Nsub>/n<sub>Nsub> C、T<sub>Nsub>=975P<sub>Nsub>2/n<sub>Nsub> D、T<sub>Nsub>=975P<sub>Nsub>/n<sub>Nsub>
A、y<sub>n+1sub>〉y<sub>nsub>〉y<sub>n-1sub> B、y<sub>n+1sub>〈y<sub>nsub>〈y<sub>n-1sub> C、y<sub>n+1sub>=y<sub>nsub>=y<sub>n-1sub> D、不确定
A、N<sub>1sub>=N<sub>2sub>=N<sub>3sub> B、N<sub>1sub>>N<sub>2sub>>N<sub>3sub> C、N<sub>2sub>>N<sub>1sub>>N<sub>3sub> D、N<sub>3sub> =N<sub>1sub>>N<sub>2sub>
A、V<sub>nsub>=A(FVIFA<sub>isub>,<sub>n+1sub>-1) B、V<sub>nsub>=A×FVIFA<sub>i,nsub>(1+i) C、V<sub>0sub>=A(PVIFA<sub>isub>,<sub>n-1sub>+1) D、V<sub>0sub>=A×PVIFA<sub>i,nsub>(1+i) E、<sub>V0sub>=A×PVIFA<sub>i,nsub>÷(1+i)
A、n<sub>0sub>’<n<sub>0sub>,特性硬度降低 B、n<sub>0sub>’<n<sub>0sub>,特性硬度不变 C、n<sub>0sub>’=n<sub>0sub>,特性硬度降低 D、n<sub>0sub>’>n<sub>0sub>,特性硬度降低
A、n<sub>内sub>↑>n<sub>外sub>↓ B、n<sub>内sub>↑〈n<sub>外sub>↑ C、n<sub>内sub>↓>n<sub>外sub>↓ D、n<sub>内sub>↓n<<sub>外sub>↓
A、N<sub>2sub>/R<sub>msub> B、R<sub>msub>/N C、N/R<sub>msub> D、N<sub>2sub>/R<sub>msub>2
A、C<sub>nsub>H<sub>2n+2sub>O<sub>2sub> B、C<sub>nsub>H<sub>2nsub>O<sub>2sub> C、C<sub>nsub>H<sub>n+2sub>O<sub>2sub> D、C<sub>nsub>H<sub>2n+1sub>O<sub>2sub>