Quantitative Aptitude Ratio and Proportion Simple Ratios

If (x³ + y³) ∶ (x³ - y³) = 14 ∶ 13, then (x² + y²) ∶ (x² - y²) =

1

9 ∶ 7

2

5 ∶ 4

3

4 ∶ 3

4

7 ∶ 5

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