Question

* 3. The sum of how many terms of the AP
-15, -13, -11, ... is - 55 ?​

Answer 1

Answer:

ans

Step-by-step explanation:

the sum of the terms

$- 15 - 13 - 11 - 9 - 7$

$- 28 - 20 - 7$

$- 48 - 7$

$- 55$

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