阶数为3的微分方程A.(y′)³-2yy′+x=0 B.xy^m+4y′+x^4y^2=1 C.(y^n)²+5(y′)3-x²y=0 D.L(d²Q/dt²)³+R(dQ/dt)³+(Q/c)³=3
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/21 18:13:00
![阶数为3的微分方程A.(y′)³-2yy′+x=0 B.xy^m+4y′+x^4y^2=1 C.(y^n)²+5(y′)3-x²y=0 D.L(d²Q/dt²)³+R(dQ/dt)³+(Q/c)³=3](/uploads/image/z/6989586-42-6.jpg?t=%E9%98%B6%E6%95%B0%E4%B8%BA3%E7%9A%84%E5%BE%AE%E5%88%86%E6%96%B9%E7%A8%8BA.%28y%E2%80%B2%29%26%23179%3B-2yy%E2%80%B2%2Bx%3D0+B.xy%5Em%2B4y%E2%80%B2%2Bx%5E4y%5E2%3D1+C.%EF%BC%88y%5En%29%26%23178%3B%2B5%28y%E2%80%B2%293-x%26%23178%3By%3D0+D.L%28d%26%23178%3BQ%2Fdt%26%23178%3B%29%26%23179%3B%2BR%28dQ%2Fdt%29%26%23179%3B%2B%28Q%2Fc%29%26%23179%3B%3D3)
x){9c۳e|V}v=nG=G
4Ք
-u*A<
['ʸ\m@Ie=qy`
ڦƺJN=7P?ڠq5l[c"}N.utrvQxټɎg3+$ف
阶数为3的微分方程A.(y′)³-2yy′+x=0 B.xy^m+4y′+x^4y^2=1 C.(y^n)²+5(y′)3-x²y=0 D.L(d²Q/dt²)³+R(dQ/dt)³+(Q/c)³=3
阶数为3的微分方程
A.(y′)³-2yy′+x=0 B.xy^m+4y′+x^4y^2=1 C.(y^n)²+5(y′)3-x²y=0 D.L(d²Q/dt²)³+R(dQ/dt)³+(Q/c)³=3
阶数为3的微分方程A.(y′)³-2yy′+x=0 B.xy^m+4y′+x^4y^2=1 C.(y^n)²+5(y′)3-x²y=0 D.L(d²Q/dt²)³+R(dQ/dt)³+(Q/c)³=3
ABCD 都不是!