iv) d= 2/3, l=10, n = 20. progression
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Step-by-step explanation:
an=a+(n-1)d
10=a+(20-1)2/3
10= a +19×2/3
10=a+38/3
10=3a+38/3
30-38=3a
-8/3=a
a2-a1=,d
a2+8/3=2/3
a2=2/3-8/3
a2=-2
AP:-8/3 , -2......
HOPE THIS HELPED
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