If nth term of an A.P. is an+b, then its common difference is :
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Step-by-step explanation:
aₙ=an+b
a₁=a(1)+b = a+b
a₂=a(2)+b = 2a+b
a₃=a(3)+b = 3a+b
common difference = 2a+b-a-b = a
common difference = a
hope i have heloed you thanks
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