plz answer fast
i wll mark the brianliest
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what's the meaning of the number that you have written by the blue marker
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Step-by-step explanation:
A=-6
d= 4
Tn = 50
a+(n-1)d = 50’
-6 +4n -4 =50
4n -10 = 50
4n = 60
n = 15
The AP contains 15 terms
The middle term = 1/2(15+1) th term = 8th term
So middle term = T8 = (a+7d) = -6 + 32 = 26
Hence the middle term is 26.
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