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Leabhar Iomlán - Cogg

Leabhar Iomlán - Cogg

Leabhar Iomlán - Cogg

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Sampla 1(i) Breac na huimhreacha coimpléascacha z 1 3 2i, z 2 3 3i, z 3 4 2iar an léaráid Argand.(ii) Úsáid na haiseanna céanna chun na huimhreacha coimpléascacha 3z 1 , 3z 2 agus 3z 3a bhreacadh.(iii) Breac an rothlú z 1 (i) 2 , z 2 (i) 2 agus z 3 (i) 2 .(iv) Íomhánna de z 1 , z 2 , z 3 tríd an aistriú a bi iad na huimhreacha coimpléascacha4 i, 4, 5 i. Faigh luach a agus luach b.(i)Im(z)9876543213 3i3 2i 4 2i9 6i9 9i(3)12 6i5 4 3 2 1 O13 2i4 2i23 3i31 2 3 4 5 6 7 8 9 10 11 124 i 5 iRe(z)(ii) Má tá z 1 3 2i , 3z 1 9 6iMá tá z 2 3 3i , 3z 2 9 9iMá tá z 3 4 2i , 3z 3 12 6i(iii) z 1 (i) 2 (3 2i)(1) 3 2iz 2 (i) 2 (3 3i)(1) 3 3iz 3 (i) 2 (4 2i)(1) 4 2i(iv)z 1 a bi 4 ia bi 4 i z 1a bi 4 i (3 2i) 1 3i⇒ a 1, b 3[Ag seiceáil z 3 : 4 2i (1 3i) 5 i atá ceart. ]111

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