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प्रश्न
If g is the inverse of f and f'(x) = `1/(1 + x^4)` then g'(x) = ______
विकल्प
`1/(1 + ["g"(x)]^4`
`(4x^3)/(1 + x^4)`
`1/(1 + ["g"(x)]^3`
`1 + ["g"(x)]^4`
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उत्तर
`1 + ["g"(x)]^4`
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