Math, asked by ukira102, 10 months ago

what is the sum of the sequence:10,20,30,......1000?

Answers

Answered by 2004dayal

3

Answer:

sn = n/2 [2a + (n-1) ×d

=500 [20 + ( 1000-1) × 10]

=500 [20 + 990]

=500 [1010]

=505000ans.

Answered by donmigi0204

2

Answer:

Step-by-step explanation:

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