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IF y = 1 / (1+ x + x^2 + x^3), then valu...

IF `y = 1 / (1+ x + x^2 + x^3)`, then value of `(d^2y) / dx^2` at `x = 0` is

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A DAS GUPTA-Differentiation-Exercise
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  3. IF y = 1 / (1+ x + x^2 + x^3), then value of (d^2y) / dx^2 at x = 0 is

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  4. IF y = 1 / (1+ x + x^2 + x^3), then value of (d^2y) / dx^2 at x = 0 is

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