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प्रश्न
Choose the correct alternative:
What is the rate of change of demand (x) of a commodity with respect to its price (y) if y = `(3x + 7)/(2x^2 + 5)`
विकल्प
`(2x^2 + 5)^2/((-6x^2 - 38x + 15))`
`(2x^2 + 5)^2/((-6x^2 - 28x + 15))`
`(2x^2 + 5)^2/((6x^2 - 28x + 15))`
`(2x^2 + 5)^2/((6x^2 - 38x + 15))`
उत्तर
`(2x^2 + 5)^2/((-6x^2 - 28x + 15))`
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