Which term of the AP 2, 11, 20, 29 is 560?
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3
Answer:
63
Step-by-step explanation:
a= 2
nth term = an = 560
d = 11 - 2 = 9
an = a + (n-1)d
=> 560 = 2 + (n-1)9
=> 558 = (n-1) 9
=> 558/9 = n-1
=> 62 = n-1
=> 63 = n
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