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If (g(x)=x-1) and ((fg)(x)=x^2-1) then what is (f(x))?यदि (g(x)=x-1) और ((fg)(x)=x^2-1) है तो (f(x)) क्या होगा?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (x+1), (x\ne 1)(x+1), (x\ne 1)
(f(x)=\frac{x^2-1}{x-1}=x+1), but (x\ne 1) because (g(x)\ne 0). While finding an unknown factor check the division restriction.(f(x)=\frac{x^2-1}{x-1}=x+1), पर (g(x)\ne 0) के लिए (x\ne 1)। अज्ञात गुणक निकालते समय विभाजन का प्रतिबंध देखें।
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