यदि z = 2i +1 तो का मान ज्ञात करें, जहां सम्मिश्र संख्या z का संयुग्म है।

  1. 1
  2. 2
  3. 3
  4. 4

Answer (Detailed Solution Below)

Option 3 : 3
Free
NDA 01/2025: English Subject Test
30 Qs. 120 Marks 30 Mins

Detailed Solution

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अवधारणा:

एक सम्मिश्र संख्या z = x + iy का मापांक निम्न है

|z| = 

  का संयुग्म = x - iy

गणना:

z = 1+ 2i

= 1 - 2i

S = 

S = 

S =  

S = 3

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