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Ejercicio 262

Gestor Baldor
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DESCARGA
CAPITULO XXXII

CANTIDADES IMAGINARIAS
Ejercicio 262
  1. 1–ipor1+i ( 1–i ) ( 1+i ) = 1 2 – i 2 =1–( –1 ) =1+1 =2
  2. 3+2 –1 por3–2 –1 ( 3+2 –1 ) ( 3–2 –1 ) = 3 2 – ( 2 –1 ) 2 =9–4( –1 ) =9+4 =13
  3. 2 –5ipor 2 +5i ( 2 –5i ) ( 2 +5i ) = ( 2 ) 2 – ( 5i ) 2 =2–25 i 2 =2–25( –1 ) =2+25 =27
  4. 2 3 +4ipor2 3 –4i ( 2 3 +4i ) ( 2 3 –4i ) = ( 2 3 ) 2 – ( 4i ) 2 =4( 3 ) –16 i 2 =12–16( –1 ) =12+16 =28
  5. 5– –2 por5+ –2 ( 5– –2 ) ( 5– –2 ) = 5 2 – ( –2 ) 2 =25–( –2 ) =25+2 =27
  6. –9– –5 por–9+ –5 ( –9– –5 ) ( –9+ –5 ) = ( –9 ) 2 – ( –5 ) 2 =81–( –5 ) =81+5 =86
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