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Class 12 Differential Equations · Conceptual Answer1 Marksseparable_differential_equations

Class 12 Maths · Differential Equations · Conceptual Answer #89

Solve e^(y′) = x².

✅ Step-by-Step Solution

Final Answer: y = 2(x ln|x| − x) + C, x ≠ 0.
  1. Taking natural logarithms gives y′ = ln(x²) = 2ln|x|. Integrate by parts.
  2. y = 2(x ln|x| − x) + C, x ≠ 0.

📋 CBSE Stepwise Marking Scheme

  • [0.5 marks] Taking natural logarithms gives y′ = ln(x²) = 2ln|x|. Integrate by parts.
  • [0.5 marks] y = 2(x ln|x| − x) + C, x ≠ 0.

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