defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Complex Numbers Properties of Complex Numbers
What is the conjugate of \(\left(\dfrac{1+2i}{2+i}\right)^2 \ ?\)
1
\(\dfrac{7}{25}+i \dfrac{24}{25}\)
2
\(-\dfrac{7}{25}-i \dfrac{24}{25}\)
3
\(-\dfrac{7}{25}+i \dfrac{24}{25}\)
4
\(\dfrac{7}{25}-i \dfrac{24}{25}\)