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Tamil Nadu Board of Secondary EducationHSC Science Class 11

Find the value of 3! – 2!

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Question

Find the value of 3! – 2!

Sum
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Solution

Calculate the factorial of 3 (3!):

3! = 3 × 2 × 1 = 6

Calculate the factorial of 2 (2!):

2! = 2 × 1 = 1

Subtract the two values:

3! = 2! = 6 − 2 = 4

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Chapter 4: Combinatorics and Mathematical Induction - Exercise 4.1 [Page 166]

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Samacheer Kalvi Mathematics - Volume 1 and 2 [English] Class 11 TN Board
Chapter 4 Combinatorics and Mathematical Induction
Exercise 4.1 | Q 14. (iii) | Page 166

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