log11[log3(log2x)]=0,x(-1/2)次方为?过程
问题描述:
log11[log3(log2x)]=0,x(-1/2)次方为?过程
答
解
log11[log3(log2(x))]=0
11^0=log3[log2(x)]=1
3^1=log2(x)=3
2^3=x
x=8
∴x^(-1/2)=8^(-1/2)=√2/4