Math, asked by taifqureshi, 2 months ago

Find the number of different ways that the 9 letters of the word HAPPINESS can be arranged in a line if no restriction.

Answers

Answered by adithyanh2006

0

Answer:

The number of letters is 9, hence we do 9!

however, there are 2 letters which are repeated twice, 2!*2!

so the answer is 9!/2!2!

which gives us 90720

Step-by-step explanation:

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