Question

find.
the s nth term of
of an
an AP whose
difference ... -
d = -7
first term a and
common​

Answer 1

Answer:

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Answer 2

Answer:

A.P.: (a),(a+d),(a+2d),(a+3d),(a+4d),.....

       (a),(a-7),(a-14),(a-21),(a-28)....

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