# Question: Provide a rough derivation of Stirling’s approximation. There are at least two ways to approach this. (a) Approximate the derivative of ln n! using the finite-difference expression ln n! – ln(n-1)!, and then integrate your result. (b) Express ln n! as ln n +ln (n-1)+ ln(n-2)+…, then approximate the sum using an integral. – Free Chegg Question Answer

Provide a rough derivation of Stirling’s approximation. There are at least two ways to approach this.

(a) Approximate the derivative of ln n! using the finite-difference expression ln n! – ln(n-1)!, and then integrate your result.

(b) Express ln n! as ln n +ln (n-1)+ ln(n-2)+…, then approximate the sum using an integral.

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