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The sum 1 + 2.3 + 3.3^2+....+10. 3^9 is equal to (A) (2.3^12 + 10)/4 (B)(19.3^10 + 1)/4 (C) 5.3^10 - 2 (D) (9.3^{10}+1)/2

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The sum 1 + 2.3 + 3.32+....+10. 39 is equal to 

(A) (2.312 + 10)/4 

(B)(19.310 + 1)/4 

(C) 5.310 - 2 

(D) (9.310+1)/2

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Correct option is (B)( 19.310 + 1)/4 

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