Mathematics · Algebra

यदि a2 + b2 + c2 + 189 = 6(a + 4b + 2c) है, तो √(ab + bc + ca) का मान क्या होगा?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

13√14✓
23√11
32√14
42√11

सही उत्तर देखें

3√14

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यदि a2 + b2 + c2 + 189 = 6(a + 4b + 2c) है, तो √(ab + bc + ca) का मान क्या होगा?

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यदि a2 + b2 + c2 + 189 = 6(a + 4b + 2c) है, तो √(ab + bc + ca) का मान क्या होगा?

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