What is the difference between the sum of first 30 terms of these sequences
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what do u mean by this question
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Answer:
1515
Step-by-step explanation:
Given sequence is 7,10,13,16,19
Common difference = 10-7=13-10 = 3
So , d= 3
First term is a= 7
Sum of n terms is n/2 [2a+(n-1)d]
= 30/2[ 2*7 +(30-1)3]
= 15[14 + 87]
= 15(101)
= 1515
hope it helps...
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