Question

下面的真数用『隔开,Log2『3乘Log3『4乘Log4『5乘Log5『2.我数学越来越听不懂了,连这也不会,教教我

Answer 1

先知道：Loga『b=1/Logb『a

Log3『4=2Log3『2=2/Log2『3

Log2『3乘Log3『4=2

Log4『5=1/Log5『4=1/(2Log5『2)

Log4『5乘Log5『2=1/2

Log2『3乘Log3『4乘Log4『5乘Log5『2=1