Question

Find the area of the region bounded by the following curves, X-axis and the given lines : x = 0, x = 5, y = 0, y = 4

Answer 1

Required area = `int_0^5 y*dx, "where"  y = 4`

= `int_0^5 4*dx`

= `[4x]_0^5`

= 20 – 0
= 20 sq units.