Sorry,,your answer is wrong Answer is = formula ,, Sn = n/2 [ 2a + ( n-1) d] ,, = 100/2 [ 2 × 1 + ( 100-1 ) 1,, 50 [ 2 + 99 × 1 ] ,, 50 [ 101 ] ,, = 5050 . Ans,,,, hope you understand.

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Souvig Saha 5 years, 2 months ago

a=1 d=1 l=100 Summation = 100/2(101) =5050

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Deepika Sihag 5 years, 2 months ago

151

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