If x : y = 2 : 1, then (x2 – y2 ) : (x2 + y2 ) is: – McqOptions

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1.	If x : y = 2 : 1, then (x2 – y2 ) : (x2 + y2 ) is:
A.	1 : 3
B.	5 : 3
C.	3 : 1
D.	3 : 5
Answer» E.

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