Math, asked by ahmedprince47211, 7 months ago

Example 13 : How many terms of the AP: 24, 21, 18,... must be taken so
sum is 78?
. must be taken so that their

Answers

Answered by maahi123

0

Step-by-step explanation:

use sn formula....sn=78,a=24,n?,d=-3.

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