Find the value of the middle term of the AP -6,-2,2...58?
Answers
Answered by
17
middle =(a+l)/2
(-6+58)/2
26
(-6+58)/2
26
Answered by
16
tn = a+(n-1)d
58 = -6+(n-1)4
64 = (n-1)4
16 = n-1
17 = n
there are 17 terms the 8th and 9th terms are in the middle
8th term = a+7d = -6+28 = 22
9th term = a+8d = -6+32 = 26
58 = -6+(n-1)4
64 = (n-1)4
16 = n-1
17 = n
there are 17 terms the 8th and 9th terms are in the middle
8th term = a+7d = -6+28 = 22
9th term = a+8d = -6+32 = 26
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