0.5+4+7.5.......+207 how many term has the AP?
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d = 3.5
Tn = 207
Tn = 0.5 + ( n - 1 ) * 3.5
207 - 0.5 = ( n - 1 )* 3.5
206.5 / 3.5 = n -1
59 + 1 = n
n = 60 Ans.
Tn = 207
Tn = 0.5 + ( n - 1 ) * 3.5
207 - 0.5 = ( n - 1 )* 3.5
206.5 / 3.5 = n -1
59 + 1 = n
n = 60 Ans.
Answered by
1
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