Question

if y = f(x) = ax - b/ bx - a. prove that f(x) . f(1/x) is independent of x​

Answer 1

Answer:

1

Step-by-step explanation:

f(x) = (ax-b) /(bx-a)

f(1/x) = (a-bx) /(b-ax)

So, f(x). f(1/x) = (ax-b) (a-bx) /(bx-a) (b-ax) = 1

So, f(x). f(1/x) independent of x.

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