8th term of A.P 13,17,21,.......
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Answer: 41
Step-by-step explanation:
A8 = a + 7d
d = A2 - A1
= 17-13
= 4
a = A1
= 13
A8 = 13 + 7*4
= 13 + 28
= 41
A8 = 41
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