Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Mathematics Differential Calculus Applications of Derivatives
From mean value theorem f (b) - f (a) = (b - a) f' (x1) ; a < b if f (x) = \(\frac{1}{x},\) then x1 =
1
\(\sqrt {ab} \)
2
\(\frac{{a + b}}{2}\)
3
\(\frac{{2ab}}{{a + b}}\)
4
More than one of the above
5
None of the above