Question

Nilai k yang memenuhi penyelesaian dari 2^k × 4^k × 8^k+4 = 1 adalah...

Answer 1

Verified answer

Bab Eksponensial
Matematika SMP Kelas IX

2^k x 4^k x 8^(k + 4) = 1
2^k x 2^(2k) x 2^(3k + 12) = 2^0
k + 2k + 3k + 12 = 0
6k = -12
k = -2

jawabannya B

Answer 2

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