Question

Find the sum of 100 terms of an A.P : 2, 4, 6, ………., 200 ?

Answer 1

Answer:

1st termterm = 2[/tex]

lastlast termterm = 100[/tex]

Sum of A.P = (No.SumofA.P=(No. ofof terms/2terms/2 ) * (1st1st termterm ++ lastlast term)term)

==》(50/2) * ( 2+100)==》(50/2)∗(2+100)

==》25 * 102==》25∗102

==》 2550==》2550

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