Question

answer this ....
correct answer will mark as bralliest ​

Answer 1

Answer:

Take lhs:

$9 {}^{ \frac{3}{2} } - 3 \times 5 {}^{0} - ( \frac{1}{81} ) {}^{ \frac{ - 1}{2} } \\ = 3 {}^{3} - 3 \times 1 - 9 \\ = 27 - 3 - 9 \\ = 27 - 12 = 15 = rhs \\ \: \: \: \: \: proved$