The graph of the relation consists of two branches

MATHEMATICS · Single correct · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives

Problem

The graph of the relation xy=1xy=1 consists of two branches. For which interval of xx-values is the curve concave upward? (a) (−∞,−1)∪(1,∞)(-\infty,-1)\cup(1,\infty) (b) (0,∞)(0,\infty) (c) (−∞,0)(-\infty,0) (d) (−∞,0)∪(0,∞)(-\infty,0)\cup(0,\infty)

Related theory

Browse the problem library