Answered


(x+1)(x+a)=x.x +8x+7
olduğuna göre a kaçtır?
A) 3 B) 6
C)7 D) 8

Sagot :

Cevap C

Adım adım açıklama:

İLK DENKLEM =x2+ax+x+1a

İKİNCİ DENKLEM=x2+8x+7

x2 ler birbirini götürür ax+x +1a=8x+7 ise a'ya 7 verirsek denklem çıkar.

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