यदि a + b + c = 12, a2 + b2 + c2 = 52, हो, तो ab + bc + ca बराबर है?
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Q:
यदि a + b + c = 12, a2 + b2 + c2 = 52, हो, तो ab + bc + ca बराबर है?
- 1124false
- 2120false
- 346true
- 475false
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