Mathematics · Ratio and Proportion
यदि (m + n) : (m - n) = 7 : 3 है, तो (m2 - n2) : (m2 + n2) का मान क्या होगा?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 111 : 21
- 221 : 11
- 329 : 21
- 421 : 29✓
सही उत्तर देखें
21 : 29
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