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00:00 - 00:59 | question is find the number of words formed by permuting all the letters of the following word inter mediate so let's start we have worked that is i n d i in which letter that is 12345678 910 1112 so it has 12 letters in which I is repeating two times we can see I stepped into time where is also repeating two times that is tea and is repeating three times we can see one |

01:00 - 01:59 | Kyon so by promoting the latter intermediate we can write factorial pone 2 into 2 into 3 factorial Shahar internal derangement where as another to factorial is internal derangement O3 factorial is internal arrangement of final solution |

02:00 - 02:59 | thank you |