Math, asked by aanchaljain13, 1 year ago

can u say me its answer

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Answered by lattika25
0

5049 is the correct answer


aanchaljain13: how process please
lattika25: a= first term

n= no. of terms

d=common difference

Therefore sum of terms=Sn

and

a=2

d=1

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

= 99/2* 4+(98)1

=99/2* 102

99*51

5049
aman4821: ans
aman4821: what to do in this
aanchaljain13: thank u
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