Question

anybody give answer of this question.

Answer 1

(7/8)^(-8) * (7/8)^8
=(8^8)/(7^8) * (7^8)/(8*8)
=1

Answer 2

hey!
# your Answer
_______________

$= > ( \frac{7}{8} {)}^{ - 8} \times (\frac{7}{8} {)}^{8} \\ \\ we \: knw \: that \\ {x }^{ - 1} = \frac{1}{x} \\ \\ so \\ \\ = > (\frac{8}{7} {)}^{8} \times ( \frac{7}{8} {)}^{8} \\ \\ \: power \: \\ value \: cancel \\ \\ \: now \\ \\ = > \frac{8}{7} \times \frac{7}{8} \\ \\ = > 1 \: ans$
☺✌:-)