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ax² - 16 = (3x - 4) (3x + 4) olduğuna göre, a kaçtır?

A) 3
B) 6
C) 9
D) 12​

Sagot :

Berkrans

Cevap:

Adım adım açıklama:

View image Berk
LNoidearans

Cevap:

Cevap C

Adım adım açıklama:

[tex]a {x}^{2} - 16 = (3x - 4).(3x + 4) \\ a {x}^{2} - 16 = 9 {x}^{2} + 12x - 12x - 16 \\ a {x}^{2} - 16 = 9 {x}^{2} - 16 \\ a = 9[/tex]

→ a = 9 olur.

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