已知5.23的x次方=1000,0.00523的y次方=1000,求x分之1-y分之1的值
问题描述:
已知5.23的x次方=1000,0.00523的y次方=1000,求x分之1-y分之1的值
答
5.23的x次方=1000,0.00523的y次方=1000
所以,5.23=1000^(1/x),0.00523=1000^(1/y)
5.23/0.00523=1000^(1/x)/1000^(1/y)=1000^(1/x-1/y)
即1000=1000^(1/x-1/y)
所以,1/x-1/y=11000^这1000上面的是什么东东啊