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Write the expanded form of 

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OSSC Excise SI (Mains) Official Paper (Held On: 17 Oct, 2024 Shift 2)
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Answer (Detailed Solution Below)

Option 3 :

Detailed Solution

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Given:

Expression:

Formula used:

Expansion of is:

Calculation:

Now, apply the formula to :

⇒

⇒

∴ Expanded form of is:

25a² + 16b² + 9c² + 40ab + 30ac + 24bc

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