Tìm khẳng định đúng trong các khẳng định sau

$$f\left(x\right)=3x^2-5$$ là tam thức bậc hai

$$f\left(x\right)=2x+4$$ là tam thức bậc hai

$$f\left(x\right)=3x^3+2x-5$$ là tam thức bậc hai

$$f\left(x\right)=x^4-2x^2-5$$ là tam thức bậc hai

Ôn tập giữa học kì II

Authored by Ngọc Liên

Mathematics

9th - 12th Grade

Used 5+ times

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