Easy product :)
Algebra
Level
2
\[ x = (1-\frac { 1 }{ 2^{ 2 } } )(1-\frac { 1 }{ { 3 }^{ 2 } } )\quad ...\quad (1-\frac { 1 }{ { 15 }^{ 2 } } ) \]
If \( x \) can be written as \( \frac{ a}{b} \) where \(a\) and \(b\) are positive coprime integers, what is the value of \(a+b\)?
by
anoir trabelsi