Question

2 find the first term Q common difference
for 5, 1-3, 7 of the AP.​

Answer 1

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Answer 2

Answer:

t1 = 5, t2 = 1, t3 = -3, t4 = 7

t2-t1 = 1-5 = -4

t3-t2 = -3-1 = -4

t4-t3 = -7-(-3) = -7+3 = -4

Therefore, Common difference is -4

First term is 5