Math, asked by sanjaysambale254, 9 months ago

find the sum of first 123 even a cell numbers

Answers

Answered by Manideep1105

1

Answer:

Step-by-step explanation:

The sequence is 2,4,6.....146

Sn=1702

Answered by pratikprk007

0

Step-by-step explanation:

a=1

n=123

d=2

Sn= n/2[2a+(n-1)d]

=123/2[2×1+(123-1)2]

=7564

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