Math, asked by Ramkr4663, 9 months ago

Find the sum of the following Aps -37,-33,-29....to 12terms

Answers

Answered by insnice

3

Answer:

S12=N/2[2A+(N-1)D]

HERE....A=-37,D=4 AND N=12...

THEREFORE...

S12=12/2[2(-37)+(12-1)4]

=6[-64+(11)4]

=6[-64+44]

=6[-20]

S12=-120

HOPE IT HEPLS...

PLS MARK IT AS BRAINLIEST IF YOU THINK SO...

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