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प्रश्न
Choose the correct alternative:
If y = `(1 - x)^2/x^2`, then `("d"y)/("d"x)` is
पर्याय
`2/x^2 + 2/x^3`
`- 2/x^2 + 2/x^3`
`- 2/x^2 - 2/x^3`
`- 2/x^3 + 2/x^2`
उत्तर
`- 2/x^3 + 2/x^2`
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