lim(n->16)(x-5(x)^1/2+4)/x-16

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lim(n->16)(x-5(x)^1/2+4)/x-16

lim(n->16)(x-5(x)^1/2+4)/x-16
lim(n->16)(x-5(x)^1/2+4)/x-16

lim(n->16)(x-5(x)^1/2+4)/x-16
lim(n->16)(x-5(x)^1/2+4)/x-16
=lim(x->16) (√x-1)(√x-4)/(√x-4)(√x+4)
=lim(x->16) (√x-1)/(√x+4)
=(4-1)/(4+4)
=3/8