复数运算{[(4-j4)×j4]÷[(4-j4)+j4]}+3等于多少?
问题描述:
复数运算{[(4-j4)×j4]÷[(4-j4)+j4]}+3等于多少?
答
{[(4-j4)×j4]÷[(4-j4)+j4]}+3
={[16-16j]÷4}+3
={4-4j}+3
=7-4j