Math, asked by 9113977102, 1 year ago

find the sum of first 20 terms if A.P. 2+5+8+.......

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Answered by aman292582

1

Answer:

a=2

d=3

Sn= 10(4+19(3))

= 10(4+57)

=10(61)

=610

Answered by aajadsingh

5

Answer:

HOPE you LOVE it...........

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