2的负【二分之一】次方怎么算,
问题描述:
2的负【二分之一】次方怎么算,
答
2^(-1/2)
=1/2^(1/2)
=1/√2
=√2/2
2的负【二分之一】次方怎么算,
2^(-1/2)
=1/2^(1/2)
=1/√2
=√2/2