Tolong Bantu Saya Jawab Soal Pangkat Akar Ini.... Question from @iim3

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October 2018 2 58 Report

Tolong Bantu Saya Jawab Soal Pangkat Akar Ini

Alwiyani ∛64² = 16
^6√125 = 2,24
1/2,24

=16 x 2,24 x 1/2,24 = 16 (d)

1 votes Thanks 1

Takamori37 $$\begin{align}(64)^{2/3}(125)^{1/6}\times\frac{1}{5^{1/2}}&=\sqrt[3]{64^2}\times\sqrt[6]{5^3}\times5^{-1/2} \\ &=4^2\times5^{3/6}\times 5^{-1/2} \\ &=16\times5^{1/2}\times5^{-1/2} \\ &=16\times5^{1/2-1/2} \\ &=16\times 5^0 \\ &=16\times 1 \\ &=16\end{align}$

2 votes Thanks 1