Question

simplify :- (5-¹ -7-¹)-¹​

Answer 1

Answer:

17.5

Step-by-step explanation:

${ ({5}^{ - 1} - {7}^{ - 1}) }^{ - 1} \\ {( \frac{1}{5} - \frac{1}{7}) }^{ - 1} \\ {( \frac{7 - 5}{35}) }^{ - 1} \\ { \frac{2}{35} }^{ - 1} = \frac{35}{2} = 17 \frac{1}{2} = 17.5$

Answer 2

Answer:

35/2 this is a answer for

Q3 PART (C)