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
A. (-2)
Concept
(f(0)=-1) and (g(0)=-1), so the sum is (-2). First check whether the denominator is zero at the given point.
Why this answer is correct
The correct answer is A. (-2). (f(0)=-1) and (g(0)=-1), so the sum is (-2). First check whether the denominator is zero at the given point.
Exam Tip
(f(0)=-1) और (g(0)=-1), इसलिए योग (-2) है। दिए बिंदु पर हर शून्य है या नहीं, पहले जांचें।
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