ଯଦି (a + b) ∶ (a - b) = 5 ∶ 3, ତେବେ (a2 + b2) ∶ (a2 - b2) ଖୋଜ ?

1
17 ∶ 15
2
25 ∶ 9
3
∶ 1
4
16 ∶ 1

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