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hello dear !!!
the sum of required numbers = 1210
the sum of required numbers = 1210
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1
sequence = 13,17,.....97
Tn = a+(n-1)d
97=13+(n-1)4
97-13=4n-4
4n = 84+4
n = 88/4
n = 22
Sn = n/2(a+l)
=22/2(13+97)
=11*110
=1210
hope it help u
Tn = a+(n-1)d
97=13+(n-1)4
97-13=4n-4
4n = 84+4
n = 88/4
n = 22
Sn = n/2(a+l)
=22/2(13+97)
=11*110
=1210
hope it help u
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