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जर x2 - 7x + 1 = 0 तर (x + 1/x) चे मुल्य शोधा.

  1. 3
  2. 7
  3. -7
  4. -3

Answer (Detailed Solution Below)

Option 2 : 7
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Detailed Solution

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दिलेल्याप्रमाणे:

x2 - 7x + 1 = 0

गणना:

x2 - 7x + 1 = 0

x ने विभाजित केल्यास:

⇒ x - 7 + 1/x = 0

⇒ x + 1/x = 7

∴ x + 1/x चे मुल्य = 7 
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