CUET PG MCA Complex Number Previous Year Questions (PYQs)

CUET PG MCA Complex Number Previous Year Questions (PYQs)

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🎓 CUET PG MCA📅 Year: 2023📚 Mathematics🏷 Complex Number

List I List II
A. Dog : Rabies :: Mosquito : I. Bacteria
B. Amnesia : Memory :: Paralysis : II. Liver
C. Meningitis : Brain :: Cirrhosis : III. Movement
D. Influenza : Virus :: Typhoid : IV. Malaria


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🎓 CUET PG MCA📅 Year: 2023📚 Mathematics🏷 Complex Number

Let $a=\cos \dfrac{2\pi}{7}+i\sin \dfrac{2\pi}{7}$, $\alpha=a+a^2+a^4$ and $\beta=a^3+a^5+a^6$. Then the equation whose roots are $\alpha,\beta$ is

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🎓 CUET PG MCA📅 Year: 2022📚 Mathematics🏷 Complex Number

Math List I with List II : $\omega \ne1$ is a cube root of unity.
 LIST I LIST II
A. The value of $\frac{1}{9}(1-\omega)(1-{\omega}^2)(1-{\omega}^4)(1-{\omega}^8)\, $ isI. 0 
B. $\omega{(1+\omega-{\omega}^2)}^7$ ________ is equal to II. 1 
C. The least positive integer n such that ${(1+{\omega}^2)}^n={(1+{\omega}^4)}^n$ isIII. -128
D. $(1+\omega+{\omega}^2)$ is equal to IV. 3
Choose the correct answer from the options given below:

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