x=1+0.5x+0.25x+0.125x+0.0625x求x的值
问题描述:
x=1+0.5x+0.25x+0.125x+0.0625x求x的值
答
x=1+0.5x+0.25x+0.125x+0.0625x
x=1+1/2x+1/4x+1/8x+1/16x
x=1+(8+4+2+1)/16*x
1/16*x=1
x=16