2. Mudah
[tex] \begin{aligned} \sf \frac{(81)^{\frac{1}{4}} + (8)^{\frac{2}{3}}}{(7)^{-1}} &= \sf \frac{(3^{\not4})^{\frac{1}{\not4}} + (2^{\not3})^{\frac{2}{\not3}}}{7^{-1}} \\ &= \sf \frac{3 + 2^2}{7^{-1}} \\ &= \sf \frac{3 + 4}{7^{-1}} \\ &= \sf \frac{7}{7^{-1}} \\ &= \sf 7^{1 - (-1)} \\ &= \sf 7^2 \\ &= \sf 49 \end{aligned}[/tex]
⌗SDaze ⋆࿐໋₊
81¹/⁴ + 8²/³/7-¹
= ⁴√81¹ + ³√8²/7-¹
= 3 + 2²/7-¹
= 3 + 4/7-¹
= 7/7-¹
= 7¹ × 7¹
= 7¹+¹
= 7²
= 7 × 7
= 49
mudah
karena itu sebagian dia pangkatin
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2. Mudah
[tex] \begin{aligned} \sf \frac{(81)^{\frac{1}{4}} + (8)^{\frac{2}{3}}}{(7)^{-1}} &= \sf \frac{(3^{\not4})^{\frac{1}{\not4}} + (2^{\not3})^{\frac{2}{\not3}}}{7^{-1}} \\ &= \sf \frac{3 + 2^2}{7^{-1}} \\ &= \sf \frac{3 + 4}{7^{-1}} \\ &= \sf \frac{7}{7^{-1}} \\ &= \sf 7^{1 - (-1)} \\ &= \sf 7^2 \\ &= \sf 49 \end{aligned}[/tex]
⌗SDaze ⋆࿐໋₊
81¹/⁴ + 8²/³/7-¹
= ⁴√81¹ + ³√8²/7-¹
= 3 + 2²/7-¹
= 3 + 4/7-¹
= 7/7-¹
= 7¹ × 7¹
= 7¹+¹
= 7²
= 7 × 7
= 49
mudah
karena itu sebagian dia pangkatin