NET
Question 14 (CSIR NET June 2019)
Let $f: \mathbb{R} \to \mathbb{R}$ be a continuous and one-one function, then- (a) $f$ is onto (b) $f$ is either strictly i…
Let $f: \mathbb{R} \to \mathbb{R}$ be a continuous and one-one function, then- (a) $f$ is onto (b) $f$ is either strictly i…
Let $f:(0,1)\rightarrow \mathbb{R}$ is injective function, then choose the correct options- (a) Range of $f$ must contains r…
Let $A=[0,1]\cap \mathbb{Q}$ and suppose $B_n=\{x \in A | x=\frac{p}{q}, q \leq n, q \in \mathbb{Z}^+\}$ for all $n \in \mathbb…
Statement of the theorem Let $A$ be a non-empty set, then there does not exist any onto function $f$ from $A$ to $P(A)$. Proof o…
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