Find the integral factor of dy dx+ y ^2 x = 3 x
Applying the basic concept, after simplifying, etan x is left. The method is simple: formula → substitution → calculation → answer.
Ref: NCERT Mathematics Class XII — Integrals
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Find the integrating factor of the following differential equation.
Simply put, using formula we get tan² (x / 2). Calculation gives this directly, check steps: apply rule, substitute values, simplify to get tan² (x / 2).
Ref: NCERT Mathematics Class XII — Differential Equations
