Math, asked by aryanmann9232, 1 year ago

पहिल्या 123 सम नैसर्गिक संख्यांची बेरीज काढा.​

Answers

Answered by Darshana6945
19

Step-by-step explanation:

here ap is 2;4;6;..........

a=2 d=2 n= 123

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

s123=123/2[2*2+(123-1)]

s123=123/2(126)

s123=123*63

s123=7749

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