What is the combsimp function in Sympy

This recipe explains what is the combsimp function in Sympy

Recipe Objective - What is combsimp function in Sympy?

Combinatorial expressions that contain factorial and binomial numbers can be simplified with the combsimp() function. SymPy offers a factorial () function.

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Example:

# Example 1:

# Importing libraries
from sympy import pprint, combsimp, factorial
from sympy.abc import p

# Defining some expression
expression= factorial(p)/factorial(p - 2)

# Printing expression
pprint(expression)

# combsimp function
combsimp(expression)

Output - 
   p!   
────────
(p - 2)!
𝑝(𝑝−1)

In this way, we can use the combsimp function in sympy.

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