Math Chapter Wise Ordinary And Partial Differential Equations, Integral Equations And Calculus Of Variations English MCQ UPPSC GDC 2021 Q.-1 2 s –1 L s – 6s +13 is equal to A3x/e sin 2x B2x/e cos2x C() 2x e sin3x cos3x + D() 3x e cos2x sin 2x + Show answer Correct answer: () 3x e cos2x sin 2x +