Absolute Values in an Arithmetic Sum
Difficulty: Medium · Topics: Algebra, Sequences, Absolute Value
Arifmetik yig‘indidagi modullar
\a n\ is an arithmetic sequence whose common difference is an integer.
a 3+a 5=0, Σ k=1^6≤ft( a k +a k )=30
Find the value of a 9.
\a n\ — ayirmasi butun son bo‘lgan arifmetik progressiya.
a 3+a 5=0, Σ k=1^6≤ft( a k +a k )=30
a 9 ning qiymatini toping.