if an=n(n×n+5/4) then find the 1st 5 terms
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Step-by-step explanation:
an = n(n×n+5/4)
an = a+(n-1) d
so, ok
Answered by
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Step-by-step explanation:
an=n(n×n+5/4)
putting n=1
A1 = 1(1×1+5/4)
= 1(1+5/4)
= 1(4+5)/4
=9/4
A2 = 2(2×2+5/4)
= 2(4+5/4)
= 2(16+5)/4
= 2(21)/4
= 21/2
A3 =
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