Math, asked by jaisamyukth005, 8 months ago

Find the sum of first seventeen terms of AP whose 4 th and 9th terms are -15 and -30 respectively.

Answers

Answered by HIMANKJangra
2

Answer:

-510

Step-by-step explanation:

First find out the values of a and d. Then substitute in the sum formula.

Attachments:
Answered by suhanibangera
0

Answer:

-510

Step-by-step explanation:

explanation is given in the attachment

Attachments:
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