Advertisements
Advertisements
प्रश्न
Evaluate the following.
`((3!)! xx 2!)/(5!)`
Advertisements
उत्तर
`((3!)! xx 2!)/(5!)`
`= ((3 xx 2 xx 1)! xx 2 xx 1)/(5 xx 4 xx 3 xx 2 xx 1)`
`= (6! xx 2 xx 1)/(5 xx 4 xx 3 xx 2 xx 1)`
`= (6 xx cancel(5 xx 4 xx 3 xx 2 xx 1) xx 2 xx 1)/cancel(5 xx 4 xx 3 xx 2 xx 1)`
= 6 × 2 × 1
= 12
APPEARS IN
संबंधित प्रश्न
Find x in each of the following:
Evaluate each of the following:
8P3
The number of six letter words that can be formed using the letters of the word "ASSIST" in which S's alternate with other letters is
The number of ways in which the letters of the word 'CONSTANT' can be arranged without changing the relative positions of the vowels and consonants is
The total number of 9 digit number which has all different digit is:
8 women and 6 men are standing in a line. How many arrangements are possible if any individual can stand in any position?
A coin is tossed 8 times, how many different sequences containing six heads and two tails are possible?
Find the number of different words that can be formed from the letters of the word ‘TRIANGLE’ so that no vowels are together
The number of permutations of n different objects, taken r at a line, when repetitions are allowed, is ______.
Ten different letters of an alphabet are given. Words with five letters are formed from these given letters. Determine the number of words which have at least one letter repeated.
