Question:medium

The function of two variables is maximum if:
A. \(rt-s^2>0\),
B. \(r<0\),
C. \(rt-s^2<0\),
D. \(r>0\), E. \(rt-s^2=0,\ r<0\).

Show Hint

For maximum of \(f(x,y)\), use \(rt-s^2>0\) and \(r<0\).
Updated On: May 19, 2026
  • A, B
  • B, C
  • C, D
  • A, B, E
Show Solution

The Correct Option is A

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