Предмет: Математика, автор: anplex770

Дифференциальное уравнение.
Здравствуйте!
Помогите решить данный пример:
y''=x*sinx

Желательно с решением.
Спасибо!

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Автор ответа: eug20b
1
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anplex770: Большое спасибо!
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Предмет: Английский язык, автор: suro001
Помогите пожалуйста!!!!

1.Put the verbs into the correct past tense.
    1. Claire ...... (drive) along а сountry road when a huge creature came out of nowhere and fell onto her car.
    2. While Lisa ...... (read) a book, her brother was listening to music.
     3. Sandra ...... (раint) for three years before she sold her first painting.
    4. Alex didn't go to the photogrаphic exhibition because he ...... (not/finish) his homework.
    5. The research team ...... (find) an unusual fossil and took it back to the lab to examine it.     6. We often ...... (travel) to London when we were students.
    7. While she was feeding the baby her husband ...... (talk) on the phone.
    8. This time yesterday, we ...... (lie) on the beach sunbathing.


2.Choose the correct preposition.
      1. I feel nervous of/about my exams. Don't worry, you'll be fine.
      2. Have you heard from/of Pushkin? -Of course I have! I've read all his books.
   3. How was your trip to Sakhalin? It was good, but we didn't succeed about/in catching a big fish.
   4. Have you heard of/from Tom? -He called me a few days ago. He's just got back from Japan.
    5. I find it difficult to draw portraits! Don't worry, I know from/about experience that you get better with practice.
    6. Have you ever thought of/for having exhibition with your works? -Not really.


3.Fill in: mysterious, legend, ancient, horrifying, coast, monster.
   In the Mediterranean Sea, to the south of the Greek __1__________, lies the island of Crete. According to the __2__________, in __3__________  times, a creature called the Minotaur lived there. Half-man, half-bull, the Minotaur was truly __4__________. The king of Crete Minos, kept the Minotaur in a maze which had many __5__________, twisting passages. Every nine years, the King of Athens sent fourteen children for this strange-looking __6__________ to eat. Theseus, an Athenian hero took a magic ball of thread into maze with him, he found the Minotaur, killed it with sword, then found his way out of the maze using the thread to retrace his steps.


4.Choose the correct response.
   1. A: Last night I dreamt that a huge spider was chasing me.
       B: a) That's a thought!
          b) What do you think this means?
   2. A: I woke up at 2:00 am and couldn't get back to sleep.
        B: a) Poor you!
            b) That's a relief!
   3. A: Your dream might mean that you'll meet someone new.
       B: a) That's horrible!
            b) You can't be serious!​
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