How Many Four-Letter Words Can Be Formed from the Letters of “INEFFECTIVE

How Many Four-Letter Words Can Be Formed from the Letters of “INEFFECTIVE”?

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The word “INEFFECTIVE” comprises 11 letters, with certain letters repeating. To determine the number of unique four-letter words that can be formed from these letters, we must consider the frequency of each letter and apply combinatorial principles accordingly. Letter Frequency in “INEFFECTIVE” Let’s first analyze the frequency of each letter in the word: This gives … Read more