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CAPITULO XXXII

CANTIDADES IMAGINARIAS
Ejercicio 257
Sumar:
  1. 2+3 1 ,52 1 2+3 1 +52 1 =2+3i+52i =7+i
  2. 45 1 ,2+8 1 45 1 2+8 1 =45i2+8i =6
  3. 1211 1 ,8+7 1 1211 1 +8+7 1 =1211i+8+7i =204i
  4. 5+ 1 ,7+2 1 ,9+7 1 5+ 1 +7+2 1 +9+7 1 =5+i+7+2i+9+7i =21+8i
  5. 32i,58i,10+13i 32i+58i10+13i =2+3i
  6. 1i,4+3i, 2 +5i 1i+4+3i+ 2 +5i = 2 +5+8i
  7. 2+ 2 ,4 3 2+ 2 +4 3 =2+ (1 ) ( 2 ) +4 (1 ) ( 3 ) =6+ 1 2 1 3 =6+ 2 i 3 i =6+( 2 3 ) i
  8. 7+ 5 , 2 9 ,4+ 16 7+ 5 + 2 9 4+ 16 =7+ (1 ) ( 5 ) + 2 (1 ) ( 3 2 ) 4+ (1 ) ( 4 2 ) =3+ 1 5 + 2 3 1 +4 1 =3+ 5 i+ 2 3i+4i =3+ 2 + 5 i+i =3+ 2 +( 5 +1 ) i