Answered

(a-1)x+ by -2=0

3x + (b + 1)y-1 = 0

denklem sisteminin çözüm kümesi sonsuz elemanlıdır. Buna göre, a.b çarpımının değeri kaçtır?
A) -14 B)-12. C)-6 D) 8. E) 12​

Sagot :

Hakanatess66rans

Cevap:

(a-1)/3=2 burdan a=7

b/(b+1)=2 burdan b=-2. A. B=- 4 cvp A

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