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NDA 2014
Exam
NDA
Year
2014
Subject
Mathematics
Chapter
Functions

NDA 2014 · Mathematics · Functions

Consider the function f(x)=(x-1)/(x+1) . What is...

Consider the function f(x)=x−1x+1f(x)=\frac{x-1}{x+1}. What is f(x)+1f(x)−1+x\frac{f(x)+1}{f(x)-1}+x equal to?

Options

  1. A0
  2. B1
  3. C2x2 x
  4. D4x4 x

Correct answer

A. 0

Step-by-step solution

The correct answer is option(A)
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