If (2x-y) : (5x+3y) = 3:8, then find the...

If (2x-y) : (5x+3y) = 3:8, then find the value of `(x^2+y^2) : (x^2-y^2)` .

A

`145:144`

B

`144:143`

C

`133:122`

D

`257 : 255`

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The correct Answer is:

A

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