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计算:(1)2+2i(1-i)2+(21+i)2010(2)(4-i5)(6+2i7)+(7+i11)(4-3i)

题目详情
计算:
(1)
2+2i
(1-i)2
+(
2
1+i
)2010
(2)(4-i5)(6+2i7)+(7+i11)(4-3i)
▼优质解答
答案和解析
(1)
2+2i
(1-i)2
+(
2
1+i
)2010=
2+2i
-2i
+(
2
2i
1005=
1+i
-i
+(
1
i
1005=
(1+i)i
-i2
+(
i
i2
1005=i-1-i=-1,
(2)(4-i5)(6+2i7)+(7+i11)(4-3i)=(4-i)(6-2i)+(7-i)(4-3i)=24-2-14i+28-3-25i=47-39i