已知log7[log3(log2x)]=0,则x^(1/2)的值为A.2√2 B.√2/4 C.√2 D.√42

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已知log7[log3(log2x)]=0,则x^(1/2)的值为A.2√2B.√2/4C.√2D.√42已知log7[log3(log2x)]=0,则x^(1/2)的值为A.2√2B.√2/4C.√

已知log7[log3(log2x)]=0,则x^(1/2)的值为A.2√2 B.√2/4 C.√2 D.√42
已知log7[log3(log2x)]=0,则x^(1/2)的值为
A.2√2 B.√2/4 C.√2 D.√42

已知log7[log3(log2x)]=0,则x^(1/2)的值为A.2√2 B.√2/4 C.√2 D.√42
A
log7[log3(log2x)]=0→log3(log2x)=1→log2x=3→x=2^3=8→x^(1/2)=√8=2√2
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