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

Welcome! Check out the CBSE Class 11 Mathematics Complex Numbers And Quadratic Equation Worksheet Set 01 as a downloadable PDF. Get complete and printable Class 11 Mathematics worksheets for Chapter 4 Complex Numbers and Quadratic Equations, built by expert teachers to match the 2026-27 curriculum guidelines from NCERT, CBSE, and KVS, ensuring learners master every key concept.

Worksheet Collection: Class 11 Mathematics Chapter 4 Complex Numbers and Quadratic Equations

Every student in Class 11 can use this Mathematics practice paper to review Chapter 4 Complex Numbers and Quadratic Equations. Complete with important questions and solutions, regular self-testing will boost your confidence and improve your grades in school assessments and final tests.

Class 11 Mathematics Chapter 4 Complex Numbers and Quadratic Equations Practice Sheet

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

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Practice Questions & Worksheets for Class 11 Mathematics Chapter 4 Complex Numbers and Quadratic Equations

CBSE Mathematics Class 11 Chapter 4 Complex Numbers and Quadratic Equations Worksheet

Students can use the practice questions and answers provided above for Chapter 4 Complex Numbers and Quadratic Equations to prepare for their upcoming school tests. This resource is designed by expert teachers as per the latest 2026 syllabus released by CBSE for Class 11. We suggest that Class 11 students solve these questions daily for a strong foundation in Mathematics.

Chapter 4 Complex Numbers and Quadratic Equations Solutions & NCERT Alignment

Our expert teachers have referred to the latest NCERT book for Class 11 Mathematics to create these exercises. After solving the questions you should compare your answers with our detailed solutions as they have been designed by expert teachers. You will understand the correct way to write answers for the CBSE exams. You can also see above MCQ questions for Mathematics to cover every important topic in the chapter.

Maximizing Academic Performance in Class 11

Using this Class 11 Mathematics study material consistently prepares you for standard testing trends. For any tricky concepts encountered in Chapter 4 Complex Numbers and Quadratic Equations, our detailed NCERT solutions for Class 11 Mathematics offer reliable guidance. Every revision sheet and assignment on our platform is completely free and updated to help Class 11 learners excel academically.

FAQs

Where can I download the 2026-27 CBSE printable worksheets for Class 11 Mathematics Chapter 4 Complex Numbers and Quadratic Equations?

You can download the latest chapter-wise printable worksheets for Class 11 Mathematics Chapter 4 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 4 Complex Numbers and Quadratic Equations Mathematics worksheets based on the new competency-based education (CBE) model?

Yes, Class 11 Mathematics worksheets for Chapter 4 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 4 Complex Numbers and Quadratic Equations worksheets have answers?

Yes, we have provided solved worksheets for Class 11 Mathematics Chapter 4 Complex Numbers and Quadratic Equations to help students verify their answers instantly.

Can I print these Chapter 4 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 4 Complex Numbers and Quadratic Equations?

For Chapter 4 Complex Numbers and Quadratic Equations, regular practice with our worksheets will improve question-handling speed and help students understand all technical terms and diagrams.