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Archana Goyal

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Numerade tutor for 5 years

40 Students Helped

Topics Covered

Maximizing Accuracy with Effective Sampling and Data Analysis

Unlocking Insights with Descriptive Statistics: A Comprehensive Guide

Exploring Probability Topics: From Basics to Advanced Strategies

Understanding Complex Numbers: A Comprehensive Guide

Archana's Textbook Answer Videos

43 Years JEE ADVANCED (1978-2020) + JEE MAIN Chapterwise & Topicwise Solved Papers Physics

Let $f: R \rightarrow R$ be defined by $f(x)=\frac{x}{1+x^{2}}, x \in R$. Then the range of $f$ is :
(a) $\left[-\frac{1}{2}, \frac{1}{2}\right]$
(b) $R-[-1,1]$
(c) $R-\left[-\frac{1}{2}, \frac{1}{2}\right]$
(d) $(-1,1)-\{0\}$

Chapter 2: Relations and Functions

A Complete Resource Book in Mathematics for JEE Main

The number of solutions of the equation $z^{2}+|z|^{2}=0$, where $z \in C$ is
(A) one
(B) two
(C) three
(D) infinitely many

Chapter 3: Complex Numbers

A Complete Resource Book in Mathematics for JEE Main

The number of solutions of the equation $z^{2}+|z|^{2}=0$, where $z \in C$ is
(A) one
(B) two
(C) three
(D) infinitely many

Chapter 3: Complex Numbers

A Complete Resource Book in Mathematics for JEE Main

The locus of $z$ which satisfies the inequality $\log _{0.3}|z-1|>\log _{0.3}|z-i|$ is given by,
(A) $x+y>0$
(B) $x-y<0$
(C) $x+y<0$
(D) $x-y>0$

Chapter 3: Complex Numbers

A Complete Resource Book in Mathematics for JEE Main

If centre of a regular hexagon is at origin and on of the vertices on argand diagram is $1+2 i$ then it perimeter is
(A) $2 \sqrt{5}$
(B) $6 \sqrt{2}$
(C) $4 \sqrt{5}$
(D) $6 \sqrt{5}$

Chapter 3: Complex Numbers

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