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If (f(x)=\frac{x+2}{x-1}) and (g(x)=x-1), what is the simplified form of ((fg)(x))?यदि (f(x)=\frac{x+2}{x-1}) और (g(x)=x-1) हों, तो ((fg)(x)) का simplified form क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (x+2,\ x\neq 1)(x+2,\ x\neq 1)
((fg)(x)=\frac{x+2}{x-1}(x-1)=x+2), but because of the original (f(x)), (x\neq 1). Write the domain restriction with the simplification.((fg)(x)=\frac{x+2}{x-1}(x-1)=x+2), पर मूल (f(x)) के कारण (x\neq 1)। simplification के साथ domain restriction लिखें।
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