Suppose for real \(a\) , \(b\) and \(c\) \( p(x) = ax^2 +bx + c\) and for \( |x| \leq 1\) \( |p(x)| \leq 1\). Prove that for \(|x| \leq 1 \) \(|cx^2 + bx + a| \leq 2 \)
3 years, 3 months ago
@Sagnik Saha , do you have a facebook profile?
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