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In my differential equations book there is this step, that i dont know how it goes from one side to the next.
(t^2)y' + 2ty = ((t^2)y)'
cause, on the left side I factor out a t, and i get t(ty'+2y) ...so do i have to learn partial derivatives in order to get from the left side to the right ?
(t^2)y' + 2ty = ((t^2)y)'
cause, on the left side I factor out a t, and i get t(ty'+2y) ...so do i have to learn partial derivatives in order to get from the left side to the right ?