Math, asked by bisensbi, 8 months ago

find the sum of the first 20 terms of the arithmetic sequence -16 -20 -24...

Answers

Answered by Manognangoud

0

Answer:

-4120

Step-by-step explanation:

here d =-4

a=-16

sum of arithmetic sequence =10(-32+19(-20))

=10(-32-380)

=10(-412)

=-4120

Answered by mamtapalakurti82628

1

Hope it helps u

Plz Mark as brainlist answer

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