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• The system of differential equations in steps
• Integral Step by Step
• Inequalities Step by Step
• Equation systems Step by Step

• Linear homogeneous differential equations of 2nd order Step-By-Step
• Linear inhomogeneous differential equations of the 1st order Step-By-Step
• Differential equations with separable variables Step-by-Step
• A simplest differential equations of 1-order Step-by-Step

• How to use it?

• Differential equation:
• Equation y'+y/x^2=e^(-x+1/x)*(x+2)
• Equation y'-x^3+y=0
• Equation y'''=cos2x+1
• Equation y''+7y=0

• Identical expressions

• y''+7y= zero
• y two strokes of the second (2nd) order plus 7y equally 0
• y two strokes of the second (2nd) order plus 7y equally zero
• y''+7y=O

• Similar expressions

• y''-7y=0