Question

1/7 power 0 + 1/7 power -1 + 1/7 power -2​

Answer 1

${ (\frac{1}{7} )}^{0} + {( \frac{1}{7} )}^{ - 1} + {( \frac{1}{7}) }^{ - 2} \\ = 1 + 7 + 49 \\ = 57 \: \: \: \: \: \: ans.$

HOPE THIS COULD HELP !!!