Prove that the total number of selections thatcan be made out of the l

1.	Prove that the total number of selections thatcan be made out of the letters of the phrase"daddy did a deadly deed" is 1919.How many different factors can 1155 have?
Answer» there are 9 D,3 E,3 A,2 Y,1 L and 1 I. there are 10 ways of selecting D,4 ways of selecting both A and E,3 ways of selecting Y and 2 ways of selecting L and I. only one case is there in which we can select none of the given alphabets. =10 * 4* 4* 3* 2* 2 -1 =1920-1 =1919 that's all

Prove that the total number of selections thatcan be made out of the letters of the phrase"daddy did a deadly deed" is 1919.How many different factors can 1155 have?

Answer»

there are 9 D,3 E,3 A,2 Y,1 L and 1 I.

there are 10 ways of selecting D,4 ways of selecting both A and E,3 ways of selecting Y and 2 ways of selecting L and I.

only one case is there in which we can select none of the given alphabets.

=10 * 4* 4* 3* 2* 2 -1

=1920-1

=1919

that's all