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Решение
1) log₂ (1/4√2) = log₂ (2⁻⁵/²) = (- 5/2)*log₂ 2 = - 2,5
4) log₇ 64 / log₄₉ √2 = log₇ 2⁶ / [1/2 * (log₇² (√2)²)] =
= 6 * log₇ 2 / [1/2 * (log₇ √2)] = 6 * log₇ 2 / [1/4 * (log₇ 2)] = 24
1) log₂ (1/4√2) = log₂ (2⁻⁵/²) = (- 5/2)*log₂ 2 = - 2,5
4) log₇ 64 / log₄₉ √2 = log₇ 2⁶ / [1/2 * (log₇² (√2)²)] =
= 6 * log₇ 2 / [1/2 * (log₇ √2)] = 6 * log₇ 2 / [1/4 * (log₇ 2)] = 24
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