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only86'L'9005.3

Answer»

Given AP: 0.6, 1.7, 2.8, ............a = 0.6d = 1.7 - 0.6 = 1.1n = 100Sn = n/2[ 2a + (n-1)d] = 100/2 [ 2(0.6) + (100 - 1)×(1.1)] = 50[ 1.2 + (99× 1.1)] = 50[ 1.2 + 108.9] =50[110.1] = 5505



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