by DeepWebLabs
WBJEE SERIES
Mathematics

Complex Numbers And Quadratic Equations

16 previous year questions.

Volume: 16 Ques
Yield: Medium

High-Yield Trend

1
2023
1
2017
2
2016
2
2015
1
2014
1
2013
2
2012
2
2011
1
2010
3
2009

Chapter Questions
16 MCQs

01
PYQ 2009
hard
mathematics ID: wbjee-20
The modulus of is
1
unit
2
unit
3
unit
4
unit
02
PYQ 2009
hard
mathematics ID: wbjee-20
If be the roots of , then the value of is
1
2
3
4
03
PYQ 2009
medium
mathematics ID: wbjee-20
For any complex number , the minimum value of is
1
2
3
4
04
PYQ 2010
medium
mathematics ID: wbjee-20
If , then is (where is complex conjugate of )
1
2
3
4
05
PYQ 2011
medium
mathematics ID: wbjee-20
If the ratio of the roots of the equation is , then
1
2
3
4
06
PYQ 2011
medium
mathematics ID: wbjee-20
If and are the roots of the equation , then and satisfy the relation
1
2
3
4
07
PYQ 2012
medium
mathematics ID: wbjee-20
If is purely imaginary, then
1
2
3
4
08
PYQ 2012
medium
mathematics ID: wbjee-20
If where and are real, then the ordered pair is
1
2
3
4
09
PYQ 2013
medium
mathematics ID: wbjee-20
If are the roots of the quadratic equation ; then the quadratic equation whose roots are is
1
2
3
4
10
PYQ 2014
medium
mathematics ID: wbjee-20
If are the roots of the quadratic equation , then the values of and are respectively
1
and
2
and
3
and
4
and
11
PYQ 2015
easy
mathematics ID: wbjee-20
The quadratic expression for any real if
1
2
3
4
12
PYQ 2015
medium
mathematics ID: wbjee-20
Given that is a real number satisfying then
1
$x
2
3
4
or
13
PYQ 2016
medium
mathematics ID: wbjee-20
If is an imaginary cube root of unity, then the value of
1
2
3
4
14
PYQ 2016
medium
mathematics ID: wbjee-20
If the equation has real roots and then
1
2
3
4
15
PYQ 2017
medium
mathematics ID: wbjee-20
For real , the greatest value of is
1
2
3
4
16
PYQ 2023
easy
mathematics ID: wbjee-20

Let α,β be the roots of the equation, ax2+bx+c=0.a,b,c are real and sn=αn+βn and then k=

1
b2-4ac
2
b2+4ac
3
b2+2ac
4
4ac-b2

About Complex Numbers And Quadratic Equations - WBJEE

Complex Numbers And Quadratic Equations is a vital chapter for WBJEE aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Complex Numbers And Quadratic Equations PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Complex Numbers And Quadratic Equations carry the most weight. Then, tackle the questions iteratively to solidify your understanding.