Find the sume of A.P. , 2,4,6,......
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WE HAVE a=2 & d=2 we have to find out Tn=?
Therefore we have the formula
Sn=n÷2(2a-(n-1)d)
substituting the value of a&d
you will get the value of Sn as
Sn=n2-n
where 2is the square of n
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Therefore we have the formula
Sn=n÷2(2a-(n-1)d)
substituting the value of a&d
you will get the value of Sn as
Sn=n2-n
where 2is the square of n
IF YOU LIKE THIS ANSWER FOLLOW ME
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