Mathematics
Undergraduate
(2)の解き方がわからないので教えてください
197 次の微分方程式の()内の条件を満たす解を求めよ.
dx
IC
(1)
dt
t²
(2) dr
dx
x+1
dt
2.2
(t=1のときx=2)
(t=0のときx=2)
197 (1) x
1
=
et
2 = 2e −¹
1
e
(2) x3 = 9e³t - 1
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