Is -300 a
term of the A.P 10, 7,4 ....?
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Answer:
Suppose -300 is a term
we know
tn=a+(n-1)d
-300=10+(n-1)*-3
-300=10-3n+3
or -313/-3=n
Since n is not a natural number so -300 is not a term of AP.
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