What is the second derivative of $x^2+1$ ?

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Answer 1 · 2016-09-19T19:28:54

2

If $f(x)=x^2+1$

then differentiating using the $color(blue)"power rule"$

$rArrf'(x)=2x$

and $f''(x)=2$

What is the second derivative of x^2+1x^2+1?