Question

Find the value of [ (3/4)^-1–(1/4)^-1 ]^-1
please answer fast and correct

Answer 1

Answer:

-53/12

Step-by-step explanation:

3^-1 = 1/3; 4^-1 = 1/4; -1÷5^-1 = -5

1/3 + 1/4 - 5 = (4 + 3 - 60)/12

= - 53/12