Mathematics · Complex Analysis
निम्नलिखित में से कौन सा फलन f(x, y) एक प्रसंवादी फलन (harmonic function) है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1f(x, y) = x 2 - y 3 + 2xy
- 2f(x, y) = x 4 + y 4 - xy
- 3f(x, y) = x 3 + y 3
- 4f(x, y) = x 2 - y 2 - 2xy - 2x + 3y✓
सही उत्तर देखें
f(x, y) = x 2 - y 2 - 2xy - 2x + 3y
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