Math, asked by gulafsha437, 9 months ago

suppose that repetition of letters is permitted. how many 4 letter can be formed from the letters

Answers

Answered by joshimohit2200

0

ANSWER IS (26)⁴ ...

THIS IS BECAUSE WE HAVE 4 LETTER WORD

YOU INSERT A LETTER IN FIRST PLACE . SO YOU HAVE 26 CHOICES .
WHEN FIRST ONE FILLED , AND ALSO REPETITION IS ALLOWED YOU AGAIN HAVE CHOICES FROM 26 LETTERS TO FILL 2ND LETTER
SAME THING WITH 3RD AND 4TH LETTERS .

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