defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Complex Numbers Properties of Complex Numbers
यदि |Z1| = |Z2| = ...... = |Z20| = 1 हो तो |Z1 + Z2 + ...... + Z20| का मान क्या होगा?
1
1
2
\(||Z_1| + |Z_2| + .\dots + |Z_{20}||\)
3
20
4
\(|\frac{1}{Z_1}\ +\ \frac{1}{Z_2}\ +\dots\ \frac{1}{Z_{20}}|\)