CBSE Class 12 Mathematics Relations and Functions Q #2163
KNOWLEDGE BASED
REMEMBER
5 Marks Generic-Curriculum LA
Show that a function $f : R \to R$ defined by $f(x) = \frac{2x}{1 + x^2}$ is neither one-one nor onto. Further, find set $A$ so that the given function $f : R \to A$ becomes an onto function. [All India 2023, Delhi 2024]