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Algebra
Level
3
The value of the infinite product below can be expressed as \( \frac{a}{b} \) for coprime positive integers \(a\) and \(b.\) Find \( a+b \).
\[ \prod_{k=2}^{\infty} \frac{(k^2-1.21)}{(k^2-0.81)} \]
by
Abhinav Raichur