Teaching DSSSB TGT Mock Test 2025 Mathematics Complex Numbers

Let z1 = 2 - i and z2 = 1 + 3i, then \(Re\left[\frac{z_1-z_2}{\bar{z_1}\bar{z_2}}\right]\) is (where Re(z) represents the real part of z)

1
\(\frac{-3}{10}\)
2
\(\frac{-1}{2}\)
3
\(\frac{3}{10}\)
4
\(\frac{1}{2}\)
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