Question

the common difference of two different aps are equal.The first term of the first progression is 3 more than the first term of second progression. If the 7th term of first progression is 28 and 8th term of second progression is 29,then find the both different arithmetic progressions.​

Answer 1

Answer:

Ap1. Ap2

a=1+3=4. a=1

a7=28. a8=29

a7=a+6d. a8=a+7d

28=4+6d. 29=1+7d

28-4=6d. 29-1=7d

d=24/6. d=28/7

d=4. d=4

Answer 2

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