Question

Which is the simplified form of 7+5-12?
O
1
7912
O-/7-912
17
o
لے
N
$12
1
+
1
312

Answer 1

$\green {\boxed{Answer}}$

${r}^{ - 7} + {s}^{ - 12}$

$\frac{1}{ {r}^{7} } + \frac{1}{ {s}^{12} }$

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