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प्रश्न
If f(x) = x + 1, find `d/dx (fof) (x)`
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उत्तर
Given:
`f (x) = x + 1`
`fof (x) = (x + 1) + 1 = x + 2`
`d/dx (fof) (x) = d/dx (x + 2) = 1`.
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