Math, asked by angrej16092, 3 months ago

. The first and the last terms of an AP are 17 and 350 respectively. If
the common difference is 9, how many terms are there and what is
their sum ?

Answers

Answered by ttspbsidd

0

Answer:

38 no. of terms

6973 sum of AP

Step-by-step explanation:

Tn = a+ (n-1)d = 350

Sn =n/2(2a + (n-1)d)

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