对数运算公式
log a MN log a M log a N
log a M
log a M log a N N
log a M m m log a M
log a m M 1
log a M m
log a m M n n
log a M m
log c b log a b
log c a
log a b
1 log b a
log a a 1 log a a m m a log a N N log a 1 0 指数运算公式
a m a n a m n
a m a n a m n
(a m )n a m n( a n ) m (ab)n a n b n
( a )n a n
b b n
n a n a
为偶数
n
a
为奇数
n
( n a )n a
p 1
a a p (a 0 ) a0 1 (a 0 )
m a n
n
a m