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Study Stuff for MCA Examinations - NIMCET
Study Stuff for MCA Examinations - NIMCET
Previous Year Question (PYQs)
The value of $f(1)$ for $f\Bigg{(}\frac{1-x}{1+x}\Bigg{)}=x+2$ is
Solution
Given:
$$f\left(\frac{1 - x}{1 + x}\right) = x + 2$$
To Find: \( f(1) \)
Let \( \frac{1 - x}{1 + x} = 1 \Rightarrow x = 0 \)
Then, \( f(1) = f\left(\frac{1 - 0}{1 + 0}\right) = 0 + 2 = 2 \)
Answer: $$\boxed{2}$$
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