题目内容
计算:(1)
+(
)2 010;
(2)(4-i5)(6+2i7)+(7+i11)(4-3i).
解 (1)
+(
)2 010=
+(
) 1 005
=i(1+i)+(
)1 005=-1+i+(-i)1 005=-1+i-i=-1.
(2)原式=(4-i)(6-2i)+(7-i)(4-3i)
=22-14i+25-25i=47-39i.
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题目内容
计算:(1)
+(
)2 010;
(2)(4-i5)(6+2i7)+(7+i11)(4-3i).
解 (1)
+(
)2 010=
+(
) 1 005
=i(1+i)+(
)1 005=-1+i+(-i)1 005=-1+i-i=-1.
(2)原式=(4-i)(6-2i)+(7-i)(4-3i)
=22-14i+25-25i=47-39i.