Grade 12th passAlgebra
find the total no. of ways of selecting 5 letters from the word INDEPENDENT using binomial theoram
find the total no. of ways of selecting 5 letters from the word INDEPENDENT using binomial theoram
1 Answer
Arun
Dear student
I – 1
N – 3
D – 2
E – 3
P – 1
T – 1
for selecting 5 letters
3 alike 2 alike + 3 alike 1 diff 1 diff + 2 alike 2 alike 1 diff + 2 alike 1 diff 1 diff 1diff + all diff
2C1 * 1 + 3C1 * 5C2 + 3C2 * 4C1 + 3C1 * 5C3 + 6C5
= 2 + 30 + 12 + 30 + 6 = 80
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algebra
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