Answer: The required value of f(3) is 81.
Step-by-step explanation: We are given the following function :

We are to find the value of f(3).
Substituting x = 3 in equation (i), we get

Thus, the required value of f(3) is 81.
1 is the answer to your question hope this helps
Answer: 1
Answer: The answer is 22,452
Step-by-step explanation: Multiply 6×2 which will be 12
Put the 1 from the 12 on top of the 4 then do 4×6+1 it will equal 25
Then put the 2 on top of the 7 then do 7×6+2 it will equal 44
Then put the 4 on top of the 3 then do 3×6+4 it will equal 22
And that's how you get your answer.
if we name that part x, then we can say
1/x = 1/a + 1/b