Teaching MPPSC Assistant Professor Mock Test Series 2025 Engineering Mathematics Differential Equations Partial Differential Equations
यदि आंशिक अवकल समीकरण (D2 + 2DD' + D'2} Z = cos(x + 2y) का विशिष्ट समाकलन k cos(x + 2y) है, तब K = _______ होगा।
1
\(-\frac{1}{9}\)
2
\(\frac{1}{9}\)
3
\(\frac{1}{8}\)
4
\(-\frac{1}{8}\)