Answer (Detailed Solution Below)
Option 2 : 3 ∶ 2
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UPSC CDS 01/2025 General Knowledge Full Mock Test
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Detailed Solution
Download Solution PDFপ্রদত্ত, AB ∶ BC = 4 ∶ 5
⇒ BC = (5/4) × AB
∵ AC = AB + BC
⇒ AC = AB + (5/4) × AB = (9/4) × AB
স্পর্শক ছেদক উপপাদ্য অনুযায়ী, স্পর্শকের সাথে ছেদক নিম্নলিখিত উপায় সম্পর্কিত,
⇒ AD2 = AB × AC
⇒ AD2 = (9/4) × AB2
⇒ AD/AB = √(9/4) = 3/2
∴ AD ∶ AB = 3 ∶ 2Last updated on Jun 18, 2025
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