a1=5,a4=91/2 find a2 ,a3
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Answer:
a4= 91/2
a+3d=91/2
5+3d= 91/2
3d= 81/2
d= 81/2*1/3
d= 27/2
Step-by-step explanation:
a2 = 5+27/2
= 37/2
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