Nila x yg memenuhi 4pangkatx-1=7
Matematika
Adityarinaldhi9756
Pertanyaan
Nila x yg memenuhi 4pangkatx-1=7
1 Jawaban
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1. Jawaban atiz
[tex] {4}^{x} - 1 = 7 \\ {4}^{x} = 7 + 1 \\ ({2}^{2} )^{x} = 8 \\ {2}^{2x} = {2}^{3} \\ 2x = 3 \\ x = \frac{3}{2} [/tex]