Здравствуйте. Пыталась решить пример, вроде что-то получилось, не могли бы вы посмотреть не допустила ли я ошибок?

Вроде все верно, но dx вы как-то сложно находили:
17х+8=t^2
17dx=2tdt
dx=2tdt/17.

Спасибо вам большое))

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