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(4a – 2b – 3c)^2 का विस्तार कीजिए।

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(4a – 2b – 3c)2 का विस्तार कीजिए।

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(4a – 2b – 3c)2 

= (4a)2 + (-2b)2 + (-3c)2 – 16ab + 12bc – 24ac

= 16a2 + 4b2 + 9c2 – 16ab + 12bc – 24ac

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