If x'y" + xy'+(x? -y=0 x>0 ,y,=x 2sinx , and y=y,v. Which of the following %3D equations satisfied by v Select one: a. (x 2 sinx)v" + (2x 2 cosx)v=0 b. 1 (x 2 sinx)v" (2x2 cosx)v' = 0 C. (x 2 sinx)v" + (2x 2 cosx)v' =0 d. (x 2 sinx)v" + (2x 2 sinx + x 2 sinx)v' = 0 COSX - X

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