L - lim x - 2 x 4 - 8 x - x 2 - 21 - 5

L = lim_x→ 2x^4 8x/√(x^2+21 5) = 8 8/√(25) 5 = 0/0 Form.By D.L. Hopital rule. =lim_x→ 24x^3 8/2x/2√(x^2+21) = 32 8/2/√(25) = 24/2/5 = 60 ...

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Rationalization Method to Remove Indeterminate Form

L = lim x → ...

Question

$L = {lim}_{x \to 2} \frac{x^{4} - 8 x}{\sqrt{x^{2} + 21} - 5}$

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