Question

Find whether 0 is the term of an ap 40,37, 34,31.

Answer 1

let An =0
a=40
d=-3
An=a+(n-1)d
0=40+(n-1)-3
-40=-3n+3
-43=-3n
43=3n

n=43÷3 which in decimal form so nt possible
so 0 is not a term in the ap

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