In A.P 8, 16, 24, ......,S10
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answer for the given problem is given
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sn = ?
a = 8
d = 8
s10 = n/2(8+an)
s10 = 10/2(a+a+n-1×d)
s10 = 5 (16+72)
s10 = 5(88)
s10 = 440
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