Project ForgeEngineering Mathematics
Calculus
GATE 2010
Easy
The modulus of the complex number (3+4i)/(1-2i) is
- A5
- √5
- C1/√5
- D1/5
Explanation
|z1/z2|=|z1|/|z2|. |3+4i|=√(9+16)=5. |1-2i|=√(1+4)=√5. Modulus=5/√5=√5.
Source: GATE ME 2010 (2010)
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