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Si log x = 3 y log y = 5, calcula?

Si log x = 3 y log y = 5, calcula.

5Mjalvarez4693

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Logx = 3 logy = 5

a) logxy = logx + logy = 3 + 5 = 8

b) log x ^ 2 / y = log x ^ 2 - log y = 2logx - logy = 2 * 3 - 5 = 6 - 5 = 1

c) logx ^ logy = logy * logx = 5 * 3 = 15

d) lograiz3dexy ^ 2 = log(xy ^ 2) ^ 1 / 3 = 1 / 3logxy ^ 2 = 1 / 3(logx + logy ^ 2) = 1 / 3(logx + 2logy) = 1 / 3(3 + 2 * 5) = 1 / 3 * 13 = 13 / 3

e)logy / raiz4dex = logy / x ^ 1 / 4 = logy - logx ^ 1 / 4 = logy - 1 / 4logx = 5 - 1 / 4 * 3 = = (5 * 4 - 3) / 4 = 17 / 4

f) logy ^ log(xy) = log(xy) * logy = (logx + logy) * logy = (3 + 5) * 5 = 8 * 5 = 40.