Mathematics · Ratio and Proportion
If (x - y) : (x + y) = 3 : 5, then find (2x2 + y2) : (4x2 - y2).
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 : 1
- 213 : 63
- 333 : 61
- 411 : 21✓
Correct answer
11 : 21
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