CBSE Class 11 Mathematics Complex Numbers And Quadratic Equation Worksheet Set 01

Official Class 11 Mathematics Worksheets: Chapter 04 Complex Numbers and Quadratic Equations

Access comprehensive chapter-wise worksheets for Chapter 04 Complex Numbers and Quadratic Equations using the CBSE Class 11 Mathematics Complex Numbers And Quadratic Equation Worksheet Set 01. Designed to align with the 2026-27 academic syllabus for Class 11 Mathematics, these printable practice sets help students reinforce key concepts and improve their overall exam readiness.

Solved Practice Worksheets for Mathematics

View or download the dedicated CBSE Class 11 Mathematics Complex Numbers And Quadratic Equation Worksheet Set 01 resource below. Engaging with these practice papers under focused study conditions ensures continuous academic progress and mastery of the 2026-27 curriculum for Chapter 04 Complex Numbers and Quadratic Equations.

Complex Numbers MCQ Questions with Answers Class 11 Mathematics

Q.- The roots of the equation x4 – 1 = 0, are :
(a) 1, 1, i, – i
(b) 1, –1, i, – i
(c) 1, –1, ω, ω2
(d) none of these
Ans-(b)
 
Q.- The value of (1 + i) (1 + i2) (1 + i3) (1 + i4) is
(a) 2
(b) 0
(c) 1
(d) i
Ans-(b)
 
Q.- The value of 1 + i2 + i4 + i6 + ... + i2n is :
(a) positive
(b) negative
(c) zero
(d) cannot be determined
Ans-(d)
 
Q.- The least positive integer n such that (2i/1+i) n  is a positive integer, is
(a) 16
(b) 8
(c) 4
(d) 2
Ans-(b)
 
Q.- Inequality a + ib > c + id can be explained only when :
(a) b = 0, c = 0
(b) b = 0, d = 0
(c) a = 0, c = 0
(d) a = 0, d = 0
Ans-(b)
 
Q.- If eiθ = cos θ + i sin θ, then for the ΔABC, eiA . eiB . eiC is
(a) – i
(b) 1
(c) – 1
(d) None of these
Ans-(c)
 
Q.- If ω is a non-real cube root of unity, then the expression (1–ω) (1–ω2) (1+ω4) (1+ω8) is equal to
(a) 0
(b) 3
(c) 1
(d) 2
Ans-(b)
 
Q.- If ω is a cube root of unity, then (3 + 5ω+ 3ω2)2 + (3 + 3ω+ 5ω2)2 is equal to
(a) 4
(b) 0
(c) –4
(d) None of these
Ans-(c)
 
Q.- Square root of 5 + 12i is
(a) ± (3 + 2i)
(b) ± (3–2i)
(c) 2 + 4i
(d) –1 –2i
Ans-(a)
 
Q.-  Square root of –15 –8i is
(a) ± (1 + 4i)
(b) ± (1–4i)
(c) ± (2 + i)
(d) None
Ans-(b)
 
 
 

Students must free download and practice these worksheets to gain more marks in exams. CBSE Class 11 Mathematics Worksheet - Complex Numbers and Quadratic Equation

Free study material for Mathematics

Download Class 11 Mathematics Chapter 04 Complex Numbers and Quadratic Equations Practice Worksheets

Mastering Chapter 04 Complex Numbers and Quadratic Equations with Printable Worksheets

Access structured practice worksheets for Chapter 04 Complex Numbers and Quadratic Equations aligned with the 2026 CBSE curriculum. These downloadable exercises for Class 11 Mathematics help students build accuracy and reinforce core concepts for upcoming school tests.

Verified Solutions and NCERT Alignment

Each worksheet draws directly from authorized standard textbooks to maintain academic accuracy. Evaluating your finished exercises against expert-verified solutions helps master the formal presentation standards expected in school evaluations.

Additional Study Resources for Class 11 Mathematics

Consistent engagement with these exercises builds familiarity with recurring exam themes. If specific areas within Chapter 04 Complex Numbers and Quadratic Equations cause trouble, utilize our dedicated NCERT solutions for Class 11 Mathematics to clear up doubts immediately.

FAQs

Where can I download the 2026-27 CBSE printable worksheets for Class 11 Mathematics Chapter 04 Complex Numbers and Quadratic Equations?

You can download the latest chapter-wise printable worksheets for Class 11 Mathematics Chapter 04 Complex Numbers and Quadratic Equations for free from StudiesToday.com. These have been made as per the latest CBSE curriculum for this academic year.

Are these Chapter 04 Complex Numbers and Quadratic Equations Mathematics worksheets based on the new competency-based education (CBE) model?

Yes, Class 11 Mathematics worksheets for Chapter 04 Complex Numbers and Quadratic Equations focus on activity-based learning and also competency-style questions. This helps students to apply theoretical knowledge to practical scenarios.

Do the Class 11 Mathematics Chapter 04 Complex Numbers and Quadratic Equations worksheets have answers?

Yes, we have provided solved worksheets for Class 11 Mathematics Chapter 04 Complex Numbers and Quadratic Equations to help students verify their answers instantly.

Can I print these Chapter 04 Complex Numbers and Quadratic Equations Mathematics test sheets?

Yes, our Class 11 Mathematics test sheets are mobile-friendly PDFs and can be printed by teachers for classroom.

What is the benefit of solving chapter-wise worksheets for Mathematics Class 11 Chapter 04 Complex Numbers and Quadratic Equations?

For Chapter 04 Complex Numbers and Quadratic Equations, regular practice with our worksheets will improve question-handling speed and help students understand all technical terms and diagrams.