Penjelasan:
Maaf ga bisa di jawab
karena saya g punya bukunya
bs d fotoin ga?
$$$\begin{aligned}\boxed{\boxed{\bold{The~KING}}}\end{aligned}$$
\begin{gathered}$\begin{aligned} \frac{F}{F_2}&= \left ( \frac{r_2}{r} \right )^2\\ \frac{1}{F_2}&=\left ( \frac{ \frac{1}{2}r }{r}\right )^2\\ F_2&= 4 \end{aligned}\end{gathered}
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Penjelasan:
Maaf ga bisa di jawab
karena saya g punya bukunya
bs d fotoin ga?
$$$\begin{aligned}\boxed{\boxed{\bold{The~KING}}}\end{aligned}$$
\begin{gathered}$\begin{aligned} \frac{F}{F_2}&= \left ( \frac{r_2}{r} \right )^2\\ \frac{1}{F_2}&=\left ( \frac{ \frac{1}{2}r }{r}\right )^2\\ F_2&= 4 \end{aligned}\end{gathered}