The area (in sq. units) of the region x ,   y : 0 ≤ y ≤ x 2 + 1 ,   0 ≤ y &#8804…

The area (in sq. units) of the region x, y:0yx2+1, 0yx+1, 12x2 is
  1. 2316
  2. 7924
  3. 7916
  4. 236

Solution

0yx2+1, 0yx+1, 12x2

Drawing the graph according to the given information,

Area is, A=121x2+1dx+12x+1dx

A=x33+x121+x22+x12

A=13+1-123·13+12+42+2-12+1

A=43-124+12+2+2-32

A=43-1324+4-32

A=32-13+96-3624

A=7924 sq. units.

Asked in: JEE Main 2020 (03 Sep Shift 1)

Practice more Area Under Curves questions on Aicharya