find first term A and common difference D in 5,3.5,2,0.5
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Answer:
commom difference = 2
Step-by-step explanation:
hare, a= t1 = 5 , t2 = 3 , t3 = 5 , t4= 2 , t5= 2 .
d = t2 - t1 = 3 - 5 = - 2
d = - 2 .
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