Question

Quiz Pangkat, Akar, dan Logaritma

Jika diketahui , maka nilai dari

Answer 1

Diketahui:
3^(x+2) = 6^(x-1)

Ditanya:
2^x + 3^[6/(x-1)]

Penyelesaian:
3^(x+2) = 6^(x-1)
9×3^x = [6^x]/6
9×6 = [2×3]^x / 3^x
54=2^x

27×2=2^x
3^3 = 2^(x-1)
3^[(3)/(x-1)] =2

2^x + 3^[6/(x-1)]
54+3^[(2×3)/(x-1)]
54+3^[2× 3/(x-1)]
54+2^2
54+4
58

Answer 2

Math Quiz. Solusi terlampir. Harap maklum ya