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मान लीजिए कि A={-1,0,1,2), B={-4,-2,0,2)...

मान लीजिए कि `A={-1,0,1,2), B={-4,-2,0,2) ` और `f, g: A to B` क्रमश: `f(x)=x^(2)-x , x in A ` तथा `g(x)=2|x-(1)/(2)|-1 , x in A ` द्वारा परिभाषित फलन है । क्या f तथा g समान है ? अपने उत्तर का औचित्य भी बतलाइए ।( संकेत : नोट कीजिए कि दो फलन`f: A to B ` तथा `g: A to B` समान कहलाते है यदि `f(a)=g(a) AA a in A ` हो ।

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