f(x)=2x+a g(x)=3x+b jika f(g(X))=g(f(x)) maka....
Matematika
munawarrian
Pertanyaan
f(x)=2x+a g(x)=3x+b jika f(g(X))=g(f(x)) maka....
1 Jawaban
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1. Jawaban dipa101
[tex]2(3x + b) + a = 3(2x + a) + b \\ 6x + 2b + a = 6x + 3a + b \\ 6x - 6x + 2b - b + a - 3a= 0 \\ b - 2a= 0 \\ b = 2a[/tex]