यदि (f(x)=\frac{x+1}{x-1}) और (g(x)=\frac{x-1}{x+1}) हैं, तो ((f+g)(0)) का मान क्या है?
If (f(x)=\frac{x+1}{x-1}) and (g(x)=\frac{x-1}{x+1}), what is the value of ((f+g)(0))?
Explanation opens after your attempt
Correct Answer
A. (-2)
Concept
(f(0)=\frac{1}{-1}=-1) and (g(0)=\frac{-1}{1}=-1), so the sum is (-2). First check whether the given (x) lies in the domain.
Why this answer is correct
The correct answer is A. (-2). (f(0)=\frac{1}{-1}=-1) and (g(0)=\frac{-1}{1}=-1), so the sum is (-2). First check whether the given (x) lies in the domain.
Exam Tip
(f(0)=\frac{1}{-1}=-1) और (g(0)=\frac{-1}{1}=-1), इसलिए योग (-2) है। पहले जाँचें कि दिया गया (x) प्रांत में है।
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