find n term of an ap a,3a,5a,...
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a=a, d=3a -a=2a
An =a+(n-1)d
=a+{1+2(n-1)}
=a[1+2n-2]
=a(2n-1)=(2n-1)a
an=a(2n-1)
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an,a3,a5,a,p find and turbo solve
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