Question

If the real part of the complex number $z=\frac{p+2i}{p-i}$, $p\isin\R, p\gt0\ is\ \frac{1}{2}$, then the value of p is equal to

• A. √2
• B. √3
• C. √5
• D. $\frac{\sqrt3}{2}$
• E. 1

Answer 1

Answer: (C)

√5

Answer 2

The correct option is (C): √5