Math, asked by suhanad57, 1 month ago

find the sum of AP 5,9,15,... to 15 term​

Answers

Answered by apparor468
2

Step-by-step explanation:

hear is your answer please give me some thanks

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Answered by ramireddy19894
1

Answer:

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

Step-by-step explanation:

S15=15/2[2*5+(15-1)4]

S15=15/2[66]

S15=15*33

S15=495

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