log6 p=log12 q=log16 (p+q) 求 q/p
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log6 p=log12 q=log16 (p+q) 求 q/p
log6 p=log12 q=log16 (p+q) 求 q/p
log6 p=log12 q=log16 (p+q) 求 q/p
log m X=y
X=m^y
log12 q=log 6 p
q=12^(log6 p)
log6 p=log16 (p+q)
p= 6^(log16(p+q))
q/p= 12^(log6 p) /6^(log16(p+q))
=12^(log16 (p+q))/ 6^(log16(p+q))
=(2*6)^(log16(p+q))/6^(log16(p+q))
=2^(log16(p+q))
__________又或?
log12 q=log 6 p
q=12^(log6 p)
log6 q= log6 (12^(log6 p))
=(log6p) *log6 12
log6 q -log6 p=(log6p) *log6 12 -log6 p
log6 (q/p) =(log6 p)( (log6 12 ) -1)
q/p =6^( log6 p) ( (log6 12 ) -1)
=6^( log6 p) ( (log6 2*6 ) -1)
=6^( log6 p) ( (log6 2+log6 6 ) -1)
=6^( log6 p) ( (log6 2)+1 -1)
=6^( log6 p) ( log6 2)
=p^(log6 2)
log6 p=log12 q=log16 (p+q) 求 q/p
设p,q满足log9(p)=log12(q)=log16(p+q),求q/p的值
设p,q满足log9(p)=log12(q)=log16(p+q),求q/p的值
log12(27)=a,求log6(16),
log12^27=0,求log6^16
已知log16(27)=a,用a表示log6(16)
已知log16(27)=a,求log6(16)的值
p,q满足 log9p=log12q=log16(p+q),求p/q的值?
33.不用计算器,证明:[log6]^2=/=log3*log12
33.不用计算器,证明:[log6]^2=/=log3*log12
33.不用计算器,证明:[log6]^2=/=log3*log12
已知log12 27=a,求log6 16
log12(27)=a ,求log6(16)
设p,q满足log9p=log12q=log16(p+q),求q/p的值.注:
若log12^27=a,求证log6^16=4(3-a)/(3+a)
已知log12(27)=a,证明log6(16)=[4(3-a)]/3+a
log6(7)=a,log3(4)=b,求log12(7)
已知log12(27)=a,用a表示log6(16).