(1 - ω + ω2)2 + (1 - ω2 + ω)2 का मान ज्ञात कीजिए। 

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

Answer (Detailed Solution Below)

Option 4 : -4
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Detailed Solution

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अवधारणा:

1 + ω + ω2 = 0

 ω= 1

 

गणना:

 (1 - ω + ω2)2 + (1 - ω+ ω)2

⇒ {(1 + ω2) - ω}2 + {(1+ ω) - ω2}2

⇒ (- ω - ω)2 + (-ω2 - ω2 )2 ,क्योंकि 1 + ω + ω2 = 0 

2 + 4ω4

⇒ 4(ω2 + ω) क्योंकि, ω= 1

- 4

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