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Işlemleriyle birlikte atabilir misiniz

Işlemleriyle Birlikte Atabilir Misiniz class=

Sagot :

Saadetarmut7rans

Cevap:

D

Adım adım açıklama:

kökler x1: -b-√∆ / 2a x2: -b+√∆ / 2a

x1 var şıklarda ∆=b^2-4ac = (-7)^2-4.4.2 = 17

-b-√∆ / 2a = -(-7) - √17 / 2.1 =

7 - √17 / 2

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