COMEDK · Maths · 3. Complex Number
If \(1, \omega, \omega^{2}\) are the cube roots of unity, then \(\left(3+3 \omega^{2}+5 \omega\right)^{6}-\left(2+6 \omega^{2}+2 \omega\right)^{3}\) is equal to
- A 32
- B 64
- C 0
- D \(-1\)
Answer & Solution
Correct Answer
(C) 0
Step-by-step Solution
Detailed explanation
We have,…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Maths
- The value of \(\tan ^{-1}\left(\tan \dfrac{7 \pi}{6}\right)\) isCOMEDK 2025 Easy
- The least area of a circle circumscribing any right-angle triangle of area \(\dfrac{9}{\pi}\) sq units isCOMEDK 2025 Medium
- The domain of the function \(y=\sqrt{x-2}+\sqrt{1-x}\) isCOMEDK 2014 Easy
- The solution of the differential equation: \(x \cos y d y=\left(x e^x \log x+e^x\right) d x\) isCOMEDK 2025 Medium
- The maximum value of \(Z=5 x+y\), subject to constraint \(x \geq 0, y \geq 0, x+y \leq 6,2 x+y \leq 10\) isCOMEDK 2024 Easy
- \(\text { The area of the region (in square units) bounded by the line } y+3=x ; x=1 \text { and } x=5 \text { is }\)COMEDK 2024 Easy
More PYQs from COMEDK
- 4 g of copper was dissolved in concentrated nitric aci(d) The copper nitrate solution on strong heating gave \(5 g\) of its oxide. The equivalent weight of copper isCOMEDK 2016 Medium
- The motion of a particle of mass \(m\) is described by \(y=u t+g t^{2}\). The force acting on the particle will beCOMEDK 2021 Medium
- Oxygen is 16 times heavier than hydrogen. Equal volumes of hydrogen and oxygen are mixed. The ratio of speed of sound in the mixture to that in hydrogen isCOMEDK 2013 Easy
- Maximum number of molecules of \(\mathrm{CH}_{3}\) I that can react with a molecule of \(\mathrm{CH}_{3} \mathrm{NH}_{2}\) areCOMEDK 2020 Medium
- The value of universal gravitational constant was first determined byCOMEDK 2025 Easy
- \(\mathrm{SI}\) unit of permittivity isCOMEDK 2013 Easy