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Calcula x en: logx36 = 2 5 6 -3 4 Calcula x en: log(1/3)X = -3 9 27 -9 81 Calcula x en: log3(2x+7) = 3 27 24 10 12 Calcula x en: log2(x2 - 2x) = 3 {-2;4} {3;0} {-5;5} {-4;1} Calcula x en: log2(x2) = 4 5 7 2 4 Calcula x en: log2(x2) - log2(3x) = 3 20 22 25 24
A) x = -2 B) x = 6 C) x = 9 D) x = 3
A) x = -4 B) x = -12 C) x = -15 D) x = 4
A) x = 10 B) x = 3 C) x = 120 D) x = 125
A) x = -1 B) x = 22 C) x = 0 D) x = 6
A) x = 9 B) x = 3 C) x = 9 ; x = -9 D) x = 3 ; x = -3
A) x = 1 B) x = 10 C) x = 2 D) x = 0
A) x = 20 B) x = 4 C) x = 10 D) x = 5
A) x = -1 B) x = 1 C) x = -1 ; x = 10 D) x = 1 ; x = -10
A) x = 2 B) x = 4 C) x = -1 D) x = 1
A) x = 9/15 B) x = -3/5 C) x = -5/3 D) x = 4
A) x = 2 B) x = -2 C) x = 1/2 D) x = -1/2
A) x = 125 B) x = 125 C) x = 3 D) x = 1 |