Math, asked by swathi9731646139, 7 months ago

sum of 1st 'n' terms is given by 5n+7.find sum of 3 terms, 1st term, 15th term, nth term

Answers

Answered by richaverma65

1

Step-by-step explanation:

explanation attached

hope it helps u

Attachments:

Answered by butth8692

1

1st term = 2nd term & 3rd term.....

Step-by-step explanation:

for my opinion 5 us correct

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