Math Problem Statement
Evaluate the expression without using a calculator: 5! / (3! * (5 - 3)!)
Solution
The expression you provided is:
Let's solve it step by step without using a calculator.
Step 1: Simplify the terms
First, let's evaluate the factorials:
- , so
Now substitute these into the expression:
Step 2: Perform the multiplication in the denominator
Step 3: Simplify the fraction
So, the answer is:
Would you like more details on any step? Here are some related questions:
- What is the general formula for combinations involving factorials?
- Can you explain what factorials represent in probability?
- How do you simplify other expressions involving multiple factorials?
- How do binomial coefficients relate to factorials?
- What is the significance of in different areas of math?
Tip: Factorials grow very quickly, so it's helpful to know how to break them down into smaller products to simplify expressions.
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Math Problem Analysis
Mathematical Concepts
Factorials
Combinations
Algebra
Formulas
n! = n × (n-1) × ... × 1
Combinations formula: nCr = n! / (r! * (n - r)!)
Theorems
Factorial Simplification
Basic Arithmetic Operations
Suitable Grade Level
Grades 8-10