Question

need working please guys

Answer 1

Answer:

the value of r will be 9..........

Answer 2

Answer:

$r = 9$

Step-by-step explanation:

According to the Q,

$> > {(5)}^{ \frac{r}{3} } = 125$

$> > {(5)}^{ \frac{r}{3} } = {(5)}^{3}$

Therefore,

$> > \frac{r}{3} = 3$

$> > r = 9$

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