Question

find the values of 3^-1 + 4^-1 ,
( 3^-1 + 4^-1+5^-1)^0,
[ ( 1/3 ^-1 - ( 1/4 ^-1 ] ^-1
​pls answer it correctly pls pls

Answer 1

Answer:

a. 7/12

b. 1

c. -1

Step-by-step explanation:

check attachment

Answer 2

Answer:

come on my question......