plzz answer this question
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raminder1:
thats the formula of permutation
nPr =n! / r! (n-r)!
but for combination u can see formula i applied its correct
no permutation formula is nPr= n! /(n-r)!
no u r mistaken
plz check from your book or net
google it
hey anch plz dont follow my solution
its wrong
hey anch
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Answered by
1
this is the required answer.......
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can u brainliest
Answered by
1
it is the formula for combination
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thank you soo much for clearing me
wlcm
its my pleasure
u r answer is Ryt na
factorise n^2-n-180= 0
then u get your ans
K thx
sry
its ok
0 or 10 which is answer
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