Mathematics · Ratio and Proportion
If (m + n) : (m - n) = 7 : 3, then what will be the value of (m2 - n2) : (m2 + n2)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 111 : 21
- 221 : 11
- 329 : 21
- 421 : 29✓
Correct answer
21 : 29
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