Question

please tell me guys ​

Answer 1

Answer:

your answer is 12

Step-by-step explanation:

(1/4)^-1 + (1/3)^-1 + (1/5)^-1

=> (4) ^1 +(3)^1 +(5) ^1

=> 4+3+5.

=>> 12 answer.

i hope it will help you.

Answer 2

Answer:-----

$({ \frac{1}{4} })^{ - 1} + ({ \frac{1}{3} })^{ - 1} + (\frac{1}{5} )^{ - 1} \\ {a}^{ - n } = \frac{1}{a^{n} } \\ = > \frac{4}{1} + \frac{3}{1} + \frac{5}{1} \\ = > 4 + 3 + 5 \\ = > 12$