Permutations Equation Elements
Seven times the permutations of n elements equal one-eighth of the permutations of n + 2 elements. What is the number of elements?
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Would you like to compute the count of combinations?
You need to know the following knowledge to solve this word math problem:
combinatoricsalgebrabasic operations and conceptsGrade of the word problem
Related math problems and questions:
- Elements
If the number of elements is decreased by two, the number of permutations is decreased 30 times. How many elements are? - Number pairs
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If the number of elements increases by two, the number of variations of the second class of these elements created by 38 increases. What is the original number of elements? - Element arrangement ways
Determine the number of arrangements of these six elements: a, a, a, b, b, c. - VCP equation
Solve the following equation with variations, combinations, and permutations: 4 V(2,x)-3 C(2,x+ 1) - x P(2) = 0 - Combinations
How many elements can form six times more combinations of the fourth class than the combination of the second class? - Combination element decrease
If the number of elements decreases by 4, the number of combinations of the second class from these elements decreases three times. How many elements are there?
