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Find the sum of series  2 × 2^2 - 2 × 3^2 + 2 × 4^2 ………. (20 terms) 

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Find the sum of series 

2 × 22 - 2 × 32 + 2 × 42 ………. (20 terms) 

(1) 462 

(2) -462 

(3) 460 

(4) -460

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Correct option is (4) -460

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