A library has \[a\] copies of one book, \[b\] copies of each of two books, \[c\] copies of each of three books and single copies of \[d\] books. The total number of ways in which these books can be distributed is

\[\frac{(a+2b+3c+d)\ !}{a\ !\ b\ !\ c\ !}\]

\[\frac{(a+b+c+d)\ !}{a\ !\ b\ !\ c\ !}\]

\[\frac{(a+2b+3c+d)\ !}{a\ !\ {{(b\ !)}^{2}}{{(c\ !)}^{3}}}\]

A library has \[a\] copies of one book, \[b\] copies of each of two bo

1.	A library has \[a\] copies of one book, \[b\] copies of each of two books, \[c\] copies of each of three books and single copies of \[d\] books. The total number of ways in which these books can be distributed is
A.	\[\frac{(a+b+c+d)\ !}{a\ !\ b\ !\ c\ !}\]
B.	\[\frac{(a+2b+3c+d)\ !}{a\ !\ {{(b\ !)}^{2}}{{(c\ !)}^{3}}}\]
C.	\[\frac{(a+2b+3c+d)\ !}{a\ !\ b\ !\ c\ !}\]
D.	None of these
Answer» C. \[\frac{(a+2b+3c+d)\ !}{a\ !\ b\ !\ c\ !}\]

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A library has \[a\] copies of one book, \[b\] copies of each of two books, \[c\] copies of each of three books and single copies of \[d\] books. The total number of ways in which these books can be distributed is

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