\ begin {ecuación} p (t) = e (r+δ) t (p (0) + 1− e − (r+δ) t (r+δ) s− (a q (0)) 1 ε 1− e − (r+δ− δ+g ε) t r+δ− δ+g ε) = e (r+δ) t (e − − (r+δ) t (r+δ) t (r+δ) t (r+δ) t (r+δ) t (r+δ) t δ) s+ (a q (0))...\ begin {ecuación} p (t) = e (r+δ) t (p (0) + 1− e − (r+δ) t (r+δ) s− (a q (0)) 1 ε 1− e − (r+δ− δ+g ε) t r+δ− δ+g ε) = e (r+δ) t (e − − (r+δ) t (r+δ) t (r+δ) t (r+δ) t (r+δ) t (r+δ) t δ) s+ (a q (0)) 1 ε e − (r+δ− δ+g ε) t r+δ− δ+g ε) = (a q (0)) 1 ε e δ+g ε t r+δ− δ+g ε − s r+δ\ end {ecuación}
