complex number一問

2011-10-03 5:36 am
If a and b are real,and
( a + b j )‧e^( j‧60 ) + 2^( 1/2 )‧e^( -j‧45 ) = 5 + j
find a and b

求solution

回答 (3)

2011-10-04 3:47 am
我的課本用j 啊~j和i 都應該可以
2011-10-03 6:41 am
' j ' ??

不是 ' i ' 嗎?(虛數)


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