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If f(x) = | x - 2 | and g(x) = f[f(x)], then g'(x) =...... for x > 20.

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If f(x) = | x - 2 | and g(x) = f[f(x)], then g'(x) =...... for x > 20.

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Given, f (x) =| x - 2 |

g(x) = f[f(x)] = || x - 2 | - 2|

When, x > 20

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