Math Problem Statement
trouver un+1 - un si un=n-1/n
Solution
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Math Problem Analysis
Mathematical Concepts
Sequences
Algebra
Fractions
Formulas
u_n = (n - 1) / n
u_{n+1} - u_n = 1 / [n(n+1)]
Theorems
Sequence subtraction
Reduction to a common denominator
Suitable Grade Level
Grades 9-10
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