Find the value of k so that the given differential equation is exact. (³ + kxy¹ − 2x) dx +(3xy² +20x²y³) dy=0. Then find the implicit solution. Ⓒ10; xy³ +5x²y4 - x² = C O-10x²y³ + x² + x² = C -8; xy³-5x²y+ x = Ci ixy²-3xy + x² = C

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