Math, asked by ram8920, 10 months ago

find the sum... [A.P] |
1 + (1+2) + (1+2+3) +...tn

Answers

Answered by shlokmundhra1111
0

Answer:

Step-by-step explanation:

1+1+2+1+2+3

=2+3+5

=10

Answered by ishika9337
0
1+ (1+2) + (1+2+3)
= 1+3+6
=10

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