5-topshiriq
Quyidagi savollarga javob bering, misollarni yeching. Javoblarni
moodle tizimiga joylashtring.
Savollar
Bernulli va Rikkati differensial tenglamalari.
a)
𝑦
′
+ 2𝑥𝑦 = 2𝑥
3
𝑦
3
tenglamani yeching.
b)
3𝑦
2
𝑦
′
+ 𝑦
3
+ 𝑥 = 0 tenglamani yeching.
c)
𝑦
′
− 2𝑦 = 𝑥𝑦
3
, 𝑦(0) = 2√2 Koshi masalasini yeching.
d) Xususiy yechimi
𝑦 = 𝑎𝑥 + 𝑏 ko’rinishda bo’lgan Rikkati
tenglamasining umumiy yechimini toping:
𝑦
′
= 𝑦
2
− 𝑥𝑦 − 𝑦
e) Ko’rsatilgan xususiy yechimga asosan tenglamaning umumiy
yechimini toping:
𝑦
′
= 1 + 𝑥 − (1 + 2𝑥)𝑦 + 𝑥𝑦
2
, 𝑦
1
= 1.