Mathematics · Algebraic Identities
यदि a - b = 7 और a2 + b2 = 29 है, तो 1/a - 1/b का मान क्या है?
- 1-7/20
- 27/10✓
- 3-3/5
- 43/5
सही उत्तर देखें
7/10
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