Math, asked by Srikarchintu4921, 8 months ago

Find S30,if a=13 and d=17

Answers

Answered by vaibhavbhatia26

1

Answer:

4470

Step-by-step explanation:

S = n/2{2a + (n-1) d}

S30 = 30/2{2*13 + (30-1)17}

= 15 {26 + 16*17}

= 15(26 + 272)

= 4470

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