Math, asked by madhu2802, 11 months ago

find the sum of first 123 even natural numbers

Answers

Answered by anjali200558

5

Step-by-step explanation:

sum of first 123even natural natural no

a=2

d=4-2

=2

find S123

Sn= n/2(2a(n-1)d)

S123=123/2(2×2(123-1)×2)

=123/2(4×122×2)

=123/2×976

=123×488

=60024

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