解方程2+2x/1X3+2x/3X5+2x/5X7+2x/7X9=10
某同学做一道数学题:当x=-1时,求10x9+9x8+8x7+7x6+6x5+5x4+4x3+3x2+2x+1的值,由于
小明做一道数学题,“求代数式10x9+9x8+8x7+7x6+6x5+5x4+4x3+3x2+2x+1,当x=-1时的值
某同学在做一道题:求代数式10x9+9x8+8x7+7x6+6x5+5x4+4x3+3x2+2x+1当x=-1时的值.由
2/1x3+2/3X5+2/5x7=2/7x9+2/9x11
1/1X3 + 1/3X5 + 1/5X7 + .+ 1/(2x-1)(2x+1)=10/21(x为整数)
C语言编程s(x)=x-x3/3!+x5/5!-x7/7!+……+(-1)n-1·x2n-1/(2n-1)!
sin(x)=x-x3/3!+x5/5!-x7/7!+……+(-1)nx2n+1/(2n+1)!+…… 编程并计算sin
C语言中把级数y(x)=x+x3/(3*1!)+x5/(5*2!)+x7/(7*3!).表示,不知我的程序哪里出现错误,
用秦九韶算法计算当X=3时多项式f(x)=7X7+6x6+5x5+4x4+3X3+2x2+X的值
关于用泰勒级数计算sin(x)sin(x)=x-(x3/3!)+(x5/5!)-(x7/7!)+(x9/9!)最后一项绝
已知1-1/3=2/1x3,计算1/1x3+1/3x5+1/5x7+1/7x9+1/9x11=
已知:x1=1/2+1/3,x2=1/3+1/4,x3=x2+x1,x4=x3+x2.,x10=x9+x8,求:x7/x