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a)(2+3i).(2i-1) B)(-3+i).(1+i) c)3.(1-√¯-3) d)-5i.(1-i)^2

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Ismail10rans

ama sen sadece cevapları yazmışsın sorusu nerede?

MaTeMaTiKkrans

a)(2+3i).(2i-1)=4i-2+6ikare-3i=-8+i  (i kare=-1)

b)(-3+i).(1+i)=-3-3i+i+i kare=-4-2i

c)3.(1-√¯-3)=3.(1-√¯3i)=3-3√¯3i

d)-5i.(1-i)^2 = d)-5i.(1-i).(1-i)=-5i.(1-i-i+ikare)= d)-5i.(1-2i-1)= d)-5i.(-2i)=10ikare=-10

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