If an=n2-1 and an=99 then the value is----
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an=n^2-1
99 = n^2 - 1 ( an = 99 )
n^2 = 99 + 1
n^2 = 100
n = 10
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99 = n^2 - 1 ( an = 99 )
n^2 = 99 + 1
n^2 = 100
n = 10
____Welcome____
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