The value of $$\left( {1 - \frac{1}{{{3^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{4^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{5^2}}}} \right)$$. . . . . $$\left( {1 - \frac{1}{{{{11}^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{{12}^2}}}} \right)$$$$ = ?$$

The value of $$\left( {1 - \frac{1}{{{3^2}}}} \right)$$ $$\left( {1 -

1.	The value of $$\left( {1 - \frac{1}{{{3^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{4^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{5^2}}}} \right)$$. . . . . $$\left( {1 - \frac{1}{{{{11}^2}}}} \right)$$ $$\left( {1 - \frac{1}{{{{12}^2}}}} \right)$$$$ = ?$$
A.	$\frac{{11}}{{20}}$$
B.	$\frac{{13}}{{15}}$$
C.	$\frac{{13}}{{18}}$$
D.	$\frac{{15}}{{16}}$$
E.	one of these
Answer» D. $\frac{{15}}{{16}}$$