1.

Find the sum of the following Aps, (i) 2,7,12,…..to 10 terms. (ii) -37, -33, -29, to 12 terms (iii) 0.6, 1.7, 2.8,…… to 100 terms (iv) 1/15, 1/12, 1/10, ………….. To 11 terms.

Answer»


Answer :(i) 243, (ii) `-180`, (III) 5505, (iv) `33/20 =1 (13/20)`


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