If (a + b ) : (a - b) = 5 : 3, then find ( a2 + b2 ) : ( a2 - b2 ) .

1.	If (a + b ) : (a - b) = 5 : 3, then find ( a² + b² ) : ( a² - b² ) .
A.	17 : 15
B.	25 : 9
C.	4 : 1
D.	16 : 1
Answer» B. 25 : 9

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If (a + b ) : (a - b) = 5 : 3, then find ( a2 + b2 ) : ( a2 - b2 ) .

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If (a + b ) : (a - b) = 5 : 3, then find ( a² + b² ) : ( a² - b² ) .