Math, asked by ankitkumar1598pemifb, 1 year ago

2+4+6+8+...+2n=n(n+1)plz help me

Answers

Answered by Anonymous

3

that is in Ap so Sn n/2(2a+(n-1)d....... n(2×2+(2n-1)×2 )=== is ... so. 2n(1+2n ) is the ans

ankitkumar1598pemifb: wrong

ankitkumar1598pemifb: very shortly

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