Question

(1/2)^-1 + (1/3)^-1 + (1/4)^-1

Answer 1

Answer:

9

Step-by-step explanation

$a^{-1} = \frac{1}{a}$

$(\frac{1}{2}) ^{-1} +(\frac{1}{3}) ^{-1} +(\frac{1}{4}) ^{-1} \\=2+3+4\\=9$