Mathematics · Ratio and Proportion
If x ∶ y = 7 ∶ 3, then (x2 + y2) ∶ (x2 - y2) = ?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 15 ∶ 1
- 225 ∶ 4
- 35 ∶ 2
- 429 ∶ 20✓
Correct answer
29 ∶ 20
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