Math, asked by lydiaalcantar08, 1 year ago

Find the sum of the series

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Answers

Answered by devtp2005

1+2+3+4+5+6+7+8+9+10+11+12+13
=91

Answered by Astha741

1+2+3+4+5+7+8+9+11+12+13
=3+3+4+5+6+7+8+9+10+11+12+13
=6+4+5+6+7+8+9+10+11+12+13
=10+5+6+7+8+9+10+11+12+13
=15+6+7+8+9+10+11+12+13
=21+7+8+9+10+11+12+13
=28+8+9+10+11+12+13
=36+9+10+11+12+13
=45+10+11+12+13
=55+11+12+13
=66+12+13
=78+13
=91
So, this is your answer
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