Mathematics · Ratio and Proportion
यदि (a + b) : (a - b) = 1 : 5 है, तो (a2 - b2) : (a2 + b2) का मान क्या है?
- 15 : 13
- 2-5 : 13✓
- 33 : 2
- 42 : 3
सही उत्तर देखें
-5 : 13
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