Question

X16= 15+15x-1-15-15-0. so the
sum of the
31 terms is also zero,
an
That is if
the nth term of a
Arithmetic sequence with Common difference negative 1 is m
then the mth term is n and
the (m+n)th term is zero
(a) seventh term
Of an
Arithmetic
sequence is 10 and the 10th Term is 7
what is the common difference?

Answer 1

Step-by-step explanation:

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