Question

if the first term of a sequence is
9, sum of its first 5 terms is 15
* What is the 3rd term and common
difference?
write the general form and the sum of first 7 terms​

Answer 1

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$\bf\bold\orange{\boxed{MARK\: AS \:BRAINLIEST}}$

Answer 2

Answer:

oo hello i this is brainly app not chatting app so please don't send this type answer and also i am your sister not nothing