Answered

x²-7x+3=0 denkleminin kökleri x1 ve x2 dir.Buna göre (4x1-1).(4x2-1) carpımının degeri kaçtır?​

Sagot :

Kökler toplamı=-b/a=-(-7)/1=7

Kökler çarpımı=C/a=3/1=3

16x1*x2-4x1-4x2+1

16x1*x2-4(x1+x2)+1

16*3-4*7+1=48-28+1=21

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