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Sum of the series,4,7,10..........148 |
Answer» Answer:- The series are in AP (Arithmetic PROGRESSION).The series are 4,7,10,............,148.a = 4, L = an = 148, d = a2- a1 = 7-4 = 3.1. an = a+(n-1)d148 = 4+(n-1)3148-4 = (n-1)3144/3 = ( n-1)48+1 = n49 = n.sn = n/2 [a+l]s49 = 49/2 [4+148]= 49/2×152= 49×76= 3,724.Therefore sum of the series is 3,724.I HOPE it is helps to you. |
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