If - is a reapeated root of a x2-b x-c-0- then lim x - atana x2-b x-c-x-2 is

The correct option is C a lim_x → a[tan(ax^2 + bx +c)/(x α)^2 ] = lim_x → a[tan {a(x a)(x a)}/a (x α)^2 ] = 1 × a = a ...

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Standard Limits to Remove Indeterminate Form

If α is a rea...

Question

If $α$ is a reapeated root of $a x^{2} + b x + c = 0,$ then ${lim}_{x \to a} \frac{t a n (a x^{2} + b x + c)}{(x - α)^{2}}$ is

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