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+4 votes

The formula used to compute an approximation for the second derivative of a function $f$ at a point $X_0$ is

  1. $\frac{f(x_0 +h) + f(x_0 – h)}{2}$

  2. $\frac{f(x_0 +h) - f(x_0 – h)}{2h}$

  3. $\frac{f(x_0 +h) + 2f(x_0) + f(x_0 – h)}{h^2}$ 

  4. $\frac{f(x_0 +h) - 2f(x_0) + f(x_0 – h)}{h^2}$ 


asked in Calculus by Veteran (67.5k points) | 369 views

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answered by Veteran (326k points)
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The below formula is also correct ...right ??? 

             Because Left-Hand-Derivative = Right Hand Derivative //Else f ' (x) doesnot exist at that point.

Similiarly Left hand second derivative should be equal to right hand second derivative ..right ??? In that case below formula will also be correct ..right ?? 

 Vicky rix

but how u derive option d from ur comment

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