If \('R'\) is the least value of \('a'\)such that the function \(f(x) = x^{2} + ax\ +.... VIDEO
If \('R'\) is the least value of \('a'\)such that the function \(f(x) = x^{2} + ax\ + 1\) is increasing on \(\lbrack 1,2\rbrack\) and \('S'\) is the greatest value of \('a'\) such that the function \(f(x) = x^{2} + ax\ + 1\) is decreasing on \(\lbrack 1,2\rbrack\), then the value of \(\left| R - S \right|\) is ________? 📲PW App Link - https://bit.ly/YTAI_PWAP 🌐PW Website - https://www.pw.live
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