Question

please help me for this​

Answer 1

Answer:

Here a=t1=1. , t2=8,. t3=15

t2-t1 =. 8-1== 7

d= 7

l hope this answer is correct

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Answer 2

Step-by-step explanation:

Here, a = t¹ = 1 , t² = 8 , t³ = 15

t² - t¹ = 8 - 1 = 7

Therefore d = 7