🛠️ JEE➗ Maths

If \(\alpha = \lim_{x \rightarrow \frac{\pi}{4}}\frac{\tan^{3}x - \tan x}{\cos(x + \frac{\pi}{4})}\) and \(\beta = \lim_…

Q1

If \(\alpha = \lim_{x \rightarrow \frac{\pi}{4}}\frac{\tan^{3}x - \tan x}{\cos(x + \frac{\pi}{4})}\) and \(\beta = \lim_{x \rightarrow 0}(\cos x)^{\cot x}\) are the roots of the equation \(ax^{2} + bx -4 = 0\), the ordered pair \((a,b)\) is:

[JEE Main 2021, 31 Aug (Shift 2)]

a

\(( - 1, - 3)\)

b

\(( - 1,3)\)

c

\((1,3)\)

d

\((1, - 3)\)

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