Is 63 a term of the AP-1,4,9,14.........?
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7
Answer:
no
Step-by-step explanation:
take an= 63
a= -1
d= 4-(-1)
d=5
an= a+(n-1)d
63=-1+(n-1)5
63+1= (n-1)5
64/5=n-1
as terms can't be in fractions
therefore 63 is not the term of this ap
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