图示电路中, V,现已知V,则C1、C2分别为/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage026.jpg/ananas/latex/p/860132/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage028.png
举一反三
- 图示电路中V,现已知V,则、分别为( )。/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage023.jpg/ananas/latex/p/860119/ananas/latex/p/1511/ananas/latex/p/1510/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage025.png
- 若是由抛物线与直线所围的闭区域, 在上连续,则 ____/sqp/img?f=0a08d1103a8caee030e6ba8042c26667.files%2Fimage001.png/ananas/latex/p/7563/sqp/img?f=0a08d1103a8caee030e6ba8042c26667.files%2Fimage003.png/ananas/latex/p/147/sqp/img?f=0a08d1103a8caee030e6ba8042c26667.files%2Fimage001.png/sqp/img?f=0a08d1103a8caee030e6ba8042c26667.files%2Fimage005.png
- 已知图中所示方波的傅里叶级数为 则波形f2(t)取至九次谐波为止的傅里叶级数为/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage013.jpg/sqp/img?f=50b0f72a20783aad58cc7eea8ff2903f.files%2Fimage014.jpg
- 已知函数f(x)=ax+a-x(a>0且a≠1),且f(1)=3,则f(0)+f(2)的值是( ) A: 7 B: 8 C: 9 D: 10
- 已知f(3)=2,f'(3)=-2,则[img=123x35]17da5cddd9e7724.jpg[/img] A: -4 B: 8 C: 0 D: 不存在