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Raptorihka
@Raptorihka
July 2022
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(t^2-9t)^2+22(t^2-9t)+112
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sangers1959
Verified answer
(t²-9t)²+22(t²-9t)+112=0
t²-9t=z ⇒
z²+22z+112=0 D=36
z₁=-14 t²-9t=-14 t²-9t+14=0 D=25
t₁=2 t₂=7
z₂=-8 t²-9t=-8 t²-9t+8=0 D=49
t
₃
=1 t
₄
=8.
Ответ: t₁=2 t₂=7 t₃=1 t₄=8.
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Thanks 2
Raptorihka
спасибо тебе выручил)
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Answers & Comments
Verified answer
(t²-9t)²+22(t²-9t)+112=0t²-9t=z ⇒
z²+22z+112=0 D=36
z₁=-14 t²-9t=-14 t²-9t+14=0 D=25 t₁=2 t₂=7
z₂=-8 t²-9t=-8 t²-9t+8=0 D=49 t₃=1 t₄=8.
Ответ: t₁=2 t₂=7 t₃=1 t₄=8.