2log(2)根号30-log(2)3-log(2)5 求值

问题描述:

2log(2)根号30-log(2)3-log(2)5 求值

2log(2)根号30-log(2)3-log(2)5
=log₂(√30)²-log₂(3×5)
=log₂30-log₂15
=log₂(30/15)
=log₂2
=1