已知log14(2)=a,用a表示log√2(7)Thank you much

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已知log14(2)=a,用a表示log√2(7)Thank you much
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已知log14(2)=a,用a表示log√2(7)Thank you much
已知log14(2)=a,用a表示log√2(7)
Thank you much

已知log14(2)=a,用a表示log√2(7)Thank you much
1/a=log2(14)
=log2(2*7)
=1+log2(7)
log2(7)=1/a-1
log√2(7)
=2log2(7)
=2/a-2