Math, asked by mracletitan100, 9 months ago

what is S6 for arithmetic progression 9, 5, 1, -3, -7, -11, -15

Answers

Answered by niharikatanmai

1

Answer:

-6

Step-by-step explanation:

Sn=n/2(a+l)

=6/2(9-11)

=3*-2

=-6

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