Question

33. Sum of first 20 terms of an arithmatic sequence is 1300.
a) What is sum of first terms and 20 th term.
b) If gth term is 50, what is the common difference?
c) If 8th term is 50, find sum of first 30 terms.​

Answer 1

Answer:

a. 500

b. 900

c.700

Step-by-step explanation:

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