x - y = 5 সমীকরণের গ্রাফটি y-অক্ষকে P(α, β) বিন্দুতে ছেদ করে এবং x + y = 5 এর গ্রাফটি x-অক্ষকে Q(γ, δ) বিন্দুতে ছেদ করে, α + β + γ + δ এর মান কত?

  1. 0
  2. 1
  3. 5
  4. 10

Answer (Detailed Solution Below)

Option 1 : 0
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Detailed Solution

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প্রদত্ত:

প্রদত্ত রাশিগুলি হল x - y = 5 এবং x + y = 5

গণনা:

আমাদের আছে x - y = 5 ----(1)

এবং, x + y = 5 ----(2)

যেহেতু সমীকরণ (1) y অক্ষে ছেদ করে, অতএব x = 0

সুতরাং, 0 - y = 5

⇒ y = -5

অতএব, P(α, β) = (0, -5)

এবং, সমীকরণ (2) x অক্ষে ছেদ করে, অতএব y = 0

সুতরাং, x + 0 = 5

⇒ x = 5

অতএব, Q(γ, δ) = (5, 0)

এখন, α + β + γ + δ = 0 + (-5) + 5 + 0

⇒ 0

∴ α + β + γ + δ এর মান 0

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