Question

For an AP.t3=7andt4=3 find the common
difference and the first term​

Answer 1

Answer:

third term =7

forth term =3

then Ap=4t-3t

=3-7= -4

answer is -4

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Answer 2

Answer:

a3= a+2d=7

a4= a+3d=3

by solving this equation we get d=-4 and a = 15

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