2X + 5Y = 270; DX / dy = - 20 / y

RELATED INFORMATIONS

• 1. dy/dx=(x+y^3)/xy^2
• 2. dy/dx=1+x+y^2+xy^2
• 3. General solution of (1 + y) DX - (1-x) dy = 0
• 4. General solution of calculus dy / DX = 1 + X most urgent!
• 5. Find the general solution of calculus dy / DX = 1 + X + y ^ 2 + X * y ^ 2, y ^ 2 represents the square of Y
• 6. General solution of calculus equation x * dy / DX = ylny / X
• 7. Commutative integral order ∫ (4,0) DX ∫ (x, 2x ^ 0.5) f (x, y) dy
• 8. Given dy / DX = 2XY ^ 2, find the general solution Find ∫ DX / y ^ 2
• 9. Y (x + y + 1) DX + (x + 2Y) dy = 0: solve by exact equation
• 10. If x and y are real numbers and SiNx * cosy = 1, then cos (x + y)=
• 11. The general solution (1-2y) DX - (2 + y) dy = 0 Is the general solution of calculus (1-2y) DX - (2 + x) dy = 0
• 12. General solution of differential equation dy / DX = e ^ 2x-y
• 13. General solution of differential equation dy / DX = 2x-y
• 14. Let y = f (x, t), and T = t (x, y) be determined by F (x, y, t) = 0 f. F are differentiable functions
• 15. (cosx+1/y)dx+(1/y-x/y^2)dy=0
• 16. dy/dx-y/x=x^2 Ask for detailed solution steps
• 17. dy/dx,y=(1+x+x^2)e^x
• 18. Find dy / DX = (X-Y + 5) / (x + Y-2)
• 19. Using Green's formula is not counter clockwise, why doesn't it hold Can't you add a minus sign?
• 20. A triangle with two equal sides is called a () triangle, and a triangle with two equal sides is called a () triangle（ A triangle with two equal sides is called a triangle. The two equal sides are called a triangle. The other side is called a triangle. The angle between the two waists is called a triangle. The two angles on the bottom are called a triangle