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I×+y-4 I + I×-y +8 I = 0 ise x.y = ?​

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Osmanerdemyangoz7rans

Mutlak değerin içi en küçük 0 olacağından iki ifade de 0'a eşit olmalıdır.

  • Buna göre;

x+y-4=0

  • x+y=4

x-y+8=0

  • x-y=-8

  • x+y=4
  • x-y=-8
  • 2x=-4
  • x=-2
  • -2+y=4
  • y=6
  • x.y=-2.6=-12

  • Başarılar...
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