a f(x+1)+b f ( 1 x+1 )=x_ i x -1_ i a b , then f (2) is equal to

Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions

1. \(\frac{2 a+b}{2\left(a^{2}-b^{2}\right)}\)
2. \(\frac{a}{a^{2}-b^{2}}\)
3. \(\frac{a+2 b}{a^{2}-b^{2}}\)
4. None of these

Answer

(D) None of these

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