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If (f(x)=\frac{x^2+4}{x}) and (g(x)=\frac{x^2-4}{x}), what is ((f-g)(x))?यदि (f(x)=\frac{x^2+4}{x}) और (g(x)=\frac{x^2-4}{x}) हैं, तो ((f-g)(x)) क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: (\frac{8}{x}), (x\ne 0)(\frac{8}{x}), (x\ne 0)
With a common denominator, (f-g=\frac{x^2+4-(x^2-4)}{x}=\frac{8}{x}). While subtracting the second numerator, both signs change.समान हर से (f-g=\frac{x^2+4-(x^2-4)}{x}=\frac{8}{x})। दूसरे अंश को घटाते समय दोनों चिन्ह बदलते हैं।
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