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Vídeo da Semana

Logaritmos e casos notáveis

"(...) Agradeço a vossa ajuda."

"Considere que MathML (base64):PG1hdGg+CiAgICA8bWk+YTwvbWk+CiAgICA8bW8+LDwvbW8+CiAgICA8bWk+YjwvbWk+CiAgICA8bW8+LDwvbW8+CiAgICA8bWk+YzwvbWk+CiAgICA8bW8+JiN4MjIwODs8L21vPgogICAgPG1vPiYjeDIxMUQ7PC9tbz4KPC9tYXRoPg==tais que a, b > 0 e c > 1.

Sabe-se que f é uma função de domínio MathML (base64):PG1hdGg+CiAgICA8bXN1cD4KICAgICAgICA8bW8+JiN4MjExRDs8L21vPgogICAgICAgIDxtbz4rPC9tbz4KICAgIDwvbXN1cD4KPC9tYXRoPg== definida por

MathML (base64):PG1hdGg+CiAgICA8bWk+ZjwvbWk+CiAgICA8bWZlbmNlZD4KICAgICAgICA8bWk+JiN4M0M3OzwvbWk+CiAgICA8L21mZW5jZWQ+CiAgICA8bW8+PTwvbW8+CiAgICA8bXJvdz4KICAgICAgICA8bXN1Yj4KICAgICAgICAgICAgPG1pPmxvZzwvbWk+CiAgICAgICAgICAgIDxtaT5jPC9taT4KICAgICAgICA8L21zdWI+CiAgICAgICAgPG1vPig8L21vPgogICAgICAgIDxtaT4mI3gzQzc7PC9taT4KICAgICAgICA8bW8+KTwvbW8+CiAgICA8L21yb3c+CjwvbWF0aD4= e MathML (base64):PG1hdGg+CiAgICA8bWk+YzwvbWk+CiAgICA8bW8+PTwvbW8+CiAgICA8bW8+LTwvbW8+CiAgICA8bWk+YjwvbWk+CiAgICA8bW8+KzwvbW8+CiAgICA8bWk+YTwvbWk+CjwvbWF0aD4=.

Qual é o valor de de MathML (base64):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?

M.F., Lisboa

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