Project ForgeEngineering Mathematics
Complex Variables
GATE 2016
Easy
What are the modulus (r) and argument (θ) of the complex number 3+4i?
- Ar=√7, θ=tan⁻¹(4/3)
- Br=√7, θ=tan⁻¹(3/4)
- Cr=5, θ=tan⁻¹(3/4)
- r=5, θ=tan⁻¹(4/3)
Explanation
r=√(3²+4²)=5, θ=tan⁻¹(4/3).
Source: GATE CH 2016 (2016)
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