Question
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This question was previously asked in
CDS 02/2022 Elementary Mathematics Official Paper (Held On 04 Sep 2022)
Answer (Detailed Solution Below)
Option 3 :
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UPSC CDS 01/2025 General Knowledge Full Mock Test
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Detailed Solution
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We have,
Put x = 1, y = 2, z = 3
⇒
⇒
⇒
From option (3),
∴
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