. In how many of the distinct permutations of the letters in MISSISSIPPI do the four 1’s not come together?

Hello student,

There are 11 letters in the word "MISSISSIPPI ", out of which: M=1, I=4, S=4, P=2.
Total # of permutations is;
Number ofof permutations with 4 I's together is. Consider 4 I's as one unit: {M}{S}{S}{S}{S}{P}{P}{IIII} - total 8 units, out of which {M}=1, {S}=4, {P}=2, {IIII}=1.
So # of permutations with 4 I'snot come togetheris:.

Thanks and Regards

Shaik Aasif

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