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Functions question

2025 · 4 Apr · Shift 1 · Q41
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  5. /2025 · 4 Apr · Shift 1 · Q41

Functions question

2025 · 4 Apr · Shift 1 · Q41

JEE MainMathematicsFunctionsMCQ+4 / −1
Let f,g:(1,∞)→Rf, g:(1, \infty) \rightarrow \mathbb{R}f,g:(1,∞)→R be defined as f(x)=2x+35x+2f(x)=\frac{2 x+3}{5 x+2}f(x)=5x+22x+3​ and g(x)=2−3x1−xg(x)=\frac{2-3 x}{1-x}g(x)=1−x2−3x​. If the range of the function fog: [2,4]→R[2,4] \rightarrow \mathbb{R}[2,4]→R is [α,β][\alpha, \beta][α,β], then 1β−α\frac{1}{\beta-\alpha}β−α1​ is equal to
  1. A
    56
  2. B
    2
  3. C
    29
  4. D
    68
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