Practice question
निम्नलिखित में से कौन सा व्यंजक एक द्वि-आयामी असंपीड़ित प्रवाह के लिए एक संभावित धारा फलन (Ψ) को दर्शाता है?
- 1Ψ = x3 + y3
- 2Ψ = x2 - y2
- 3Ψ = xy✓
- 4Ψ = x2 + y2
सही उत्तर देखें
Ψ = xy
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