Ответы параграфа 5

2135.4x² + y² = Cx.
2136.x ³ e y - y = C.
2137.y + x e- y = C.
2138.x² cos² y + y² = C.
2139.µ = 1/x²; x + y/x = C.
2140.ln µ = ln cos y; x² sin y + 0,5 cos 2y = C.
2141.µ = e -2x; y² = (C - 2x) e 2x.
2142.;
2143.x ³ + 2xy - 3y = C.
2144.x ³y - 2x²y² + 3y4 = C.
2145.½·x² cos 2y + x = C.
2146.; xy - ln y = 0.
2147.; y = Cx ³ + x².
2148.µ = e - y; e - ycos x = C + x.
2149.ln µ = - ln x, µ = 1/x; x sin y + y ln x = C.