F(x)= 2x - 5/x + 3 Jika f(a)=-5 nilai a?
Matematika
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Pertanyaan
F(x)= 2x - 5/x + 3
Jika f(a)=-5 nilai a?
Jika f(a)=-5 nilai a?
1 Jawaban
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1. Jawaban jokonu
f(x) = 2x-5/x+3
f(a) = 2a-5/a+3-5 = 2a-5/a+3
-5(a+3) = 2a-5-5a-15 = 2a-5-5a-2a = -5+15-7a = 10a = 10/-7 = -1,42