Find whether -150 is the term of the AP 17,12,7,5

1.	Find whether -150 is the term of the AP 17,12,7,5
Answer» No An: -150a: 11d : 3N: ? Now, write the formulaThat is, An=a+[n-1]d-150=11+[n-1]3-150-11+3=n-1-178/3=nThis is not in Ap

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