Penjelasan dengan langkah-langkah:
[tex] {3x}^{2} - 15x + 5 = 0[/tex]
a = 3, b = -15 dan c = 5
[tex]m + n = - \frac{( - 15)}{3} = 5 \\ m \times n = \frac{5}{3} [/tex]
[tex] \frac{3}{m} + \frac{3}{n} \\ = \frac{3m + 3n}{mn} \\ = \frac{3(m + n)}{mn} \\ = \frac{3(5)}{ \frac{5}{3} } \\ = \frac{15}{ \frac{5}{3} } \\ = 15 \times \frac{3}{5} \\ = 9[/tex]
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Penjelasan dengan langkah-langkah:
[tex] {3x}^{2} - 15x + 5 = 0[/tex]
a = 3, b = -15 dan c = 5
[tex]m + n = - \frac{( - 15)}{3} = 5 \\ m \times n = \frac{5}{3} [/tex]
[tex] \frac{3}{m} + \frac{3}{n} \\ = \frac{3m + 3n}{mn} \\ = \frac{3(m + n)}{mn} \\ = \frac{3(5)}{ \frac{5}{3} } \\ = \frac{15}{ \frac{5}{3} } \\ = 15 \times \frac{3}{5} \\ = 9[/tex]