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Limits Continuity and Differentiability question

2024 · 30 Jan · Shift 1 · Q60
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Limits Continuity and Differentiability question

2024 · 30 Jan · Shift 1 · Q60

JEE MainMathematicsLimits Continuity and DifferentiabilityNumerical+4 / −1
If the function f(x)={1∣x∣,∣x∣⩾2ax2+2 b,∣x∣<2f(x)= \begin{cases}\frac{1}{|x|}, & |x| \geqslant 2 \\ \mathrm{a} x^2+2 \mathrm{~b}, & |x|\lt 2\end{cases}f(x)={∣x∣1​,ax2+2 b,​∣x∣⩾2∣x∣<2​ is differentiable on R\mathbf{R}R, then 48(a+b)48(a+b)48(a+b) is equal to ‾\underline{\hspace{2cm}}​.
Numerical answer
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