log a 2/3
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loga2/3loga2/3loga2/3A>2/3
log a 2/3
log a 2/3
log a 2/3
A>2/3
log a 2/3
log a(2/3)
等比数列a+log(2)3,a+log(4)3,a+log(8)3求公比q.
log(2)3=a,则log(6)4=(
对数函数题 log a - log b = 3 log (c/2) 求 a = ______________
证明对数运算法则(1)log(a)(MN)=log(a)(M)+log(a)(N); (2)log(a)(M/N)=log(a)(M)-log(a)(N);(1)log(a)(MN)=log(a)(M)+log(a)(N); (2)log(a)(M/N)=log(a)(M)-log(a)(N); (3)log(a)(M^n)=nlog(a)(M) (n∈R)
已知log(14)7=a log(14)5=b 用ab表示log(35)70=log(3)4*log(4)8*log(8)m=log(4)2 求m
等比数列a+log(2)3,a+log(4)3,a+log(8)3,...的公比为多少?
若log(a+3)(2/3)
已知log(2a+3)1/2
已知log(2a+3)1/2
log底数a真数(3分之2)
设log(a)2/3下面
已知log(a)(2/3)
已知log(a)(2/3)
log以a为底2/3
log(a)2
关于数学对数的换底公式推论的问题已知 log(2)(3) = a,log(3(7)=b,用a,b表示log(42)(56)因为log(2)(3)=a,则1/a=log(3)(2),又∵log(3)(7)=b,∴log(42)(56)=log(3)(56)/log(3)(42)=log(3)(7)+3·log(3)(2)/log(3)(7)+log(3)(2)+1=ab+3/ab+b+1