sum of first 55 terms in an ap is 3300,find its 28th term
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sn=n/2(2a+(n-1)d)
s55=55/2(2a+(55-1)d)
s55=55
s55=55/2(2a+(55-1)d)
s55=55
vishu96k:
ti's wrong
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Step-by-step explanation:
As shown in the pic given below
t28 =60
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