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What is the range of (f(x)=\frac{5x-1}{x+2})?फलन (f(x)=\frac{5x-1}{x+2}) का परिसर क्या है?
Answer and explanationउत्तर और व्याख्या
Correct answer:सही उत्तर: ( \mathbb{R}\setminus{5} )( \mathbb{R}\setminus{5} )
From (y=\frac{5x-1}{x+2}), (x=\frac{-1-2y}{y-5}), so (y\ne 5). In a linear fractional function, the (y) making the denominator zero is excluded.(y=\frac{5x-1}{x+2}) से (x=\frac{-1-2y}{y-5}), इसलिए (y\ne 5)। रैखिक भिन्न फलन में हर शून्य करने वाला (y) परिसर से हटता है।
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