The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is :

The product of two natural numbers is 17. Then, the sum of the recipro

1.	The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is :
A.	$\frac{1}{289}$$
B.	$\frac{289}{290}$$
C.	$\frac{290}{289}$$
D.	$289$$
Answer» D. $289$$

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The product of two natural numbers is 17. Then, the sum of the reciprocals of their squares is :

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