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WHAT IS COMBINATION AND PERMUTATION AS DIFFERENCE OF ORDER GIVE ME EXAMPLE AND WHAT BENEFIT
Dear Rajan,
we consider order in permutation but not in combination
because in permutation we arrange r objects in n places and in combination we select r objects out of n objects
example let us suppose we have three objects a , b, c
now if we have to arrange this in three places we can arrange (a , b, c) ,(a , c , b) , (b , a, c),(b , c, a),(c , a, b),(c , b, a)
these are the number of arrangements so it is permutation and we consider all the arrangement differently
now if we have to select all three so we dont have consider the order
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