Вопрос
3 y^prime prime-y^prime-2 y=0
Решения
4.7
(254 Голоса)
Карен
Экспертная проверка
мастер · Репетитор 5 лет
Ответ
To solve the given differential equation
, we can use the characteristic equation method.Step 1: Write the characteristic equation.The characteristic equation is obtained by substituting
into the differential equation. This gives us:
Step 2: Solve the characteristic equation.We can solve the quadratic equation
using the quadratic formula:
where
,
, and
.Substituting these values, we get:
So, the roots are:
Step 3: Write the general solution.The general solution to the differential equation is given by:
where
and
are arbitrary constants.Substituting the values of
and
, we get:
Therefore, the general solution to the differential equation
is: