🛠️ JEE➗ Maths

Let \(f,\mathrm{g}:(1,\infty )\to \mathrm{ℝ}\) be defined as \(f(\mathrm{x})=\frac{2x+3}{5x+2}\) and \(\mathrm{g}(\mathr…

Q1

Let \(f,\mathrm{g}:(1,\infty )\to \mathrm{ℝ}\) be defined as \(f(\mathrm{x})=\frac{2x+3}{5x+2}\) and \(\mathrm{g}(\mathrm{x})=\frac{2-3x}{1-x}\). If the range of the function \(f∘g:[2,4]\to \mathrm{ℝ}\) is \([\alpha ,\beta ]\), then \(\frac{1}{\beta -\alpha }\) is equal to

[JEE Main 2025, 4 Apr (Shift 1)]

a

68

b

29

c

2

d

56

🔒
Answer & explanation — PYQ Pass

Options are free to see. Unlock the correct answer and full explanation with Pass.

Unlock · ₹149

Practice more JEE Maths PYQs

See every question on Relations and Functions, or browse the full JEE question bank.

See all questions on Relations and Functions →