Let \( f(x)=a x^{2}+b x+c ; a, b, c \in R \)
It is given \( |f(x)| \leq 1, \forall|x| \leq 1 \).... VIDEO
Let \( f(x)=a x^{2}+b x+c ; a, b, c \in R \)https://bit.ly/YTAI_PWAP https://www.pw.live
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