Math, asked by chethanravi070, 4 months ago

the 1st and last terms of an ap are 2 and 70 respectively if it has 18 terms find their sum

Answers

Answered by kl654916

0

Answer:

udidjje

djdksiod

djkdkd

djkdkd

djkdod

diodld

dj

dkkd

Answered by hakimsarah75

0

Step-by-step explanation:

a=2

l=70

S18=n/2(a+l)

=18/2(70+2)

=9(72)

=648

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