If a = 25, 6th term is 20 then which term of this AP will be zero?
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If a = 25, 6th term is 20 then which term of this AP will be zero?
Step-by-step explanation:
= a+ (n-1) d
a + (6 -1)d
20 = 25 + 5d
20 -25 = 5 d
-5 = 5 d
-1 = d
which term of ap is zero
0 = 25 + (n-1) (-1)
-25 = - (n-1)
25 = n-1
26 = n
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