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BITSAT 2024
Exam
BITSAT
Year
2024
Subject
Mathematics
Chapter
Area Under Curves

BITSAT 2024 · Mathematics · Area Under Curves

The area enclosed by the curves y=x^3 and y= x is

The area enclosed by the curves y=x3y=x^3 and y=xy=\sqrt{x} is

Options

  1. A53\frac{5}{3} sq. units
  2. B54\frac{5}{4} sq. units
  3. C512\frac{5}{12} sq. unit
  4. D125\frac{12}{5} sq. units

Correct answer

C. 512\frac{5}{12} sq. unit

Step-by-step solution

Given curves are y=x^3 and y=xy=\sqrt{x} Both curves intersects at x=0andx=1x=0 and x=1 Shaded region is required area A=∣∫01(x3−x)dx∣=∣[x44−2x3/23]01∣=∣[14−23]∣=512 sq. unit \begin{aligned} A & =\left|\int_0^1\left(x^3-\sqrt{x}\right) d x\right|=\left|\left[\frac{x^4}{4}-\frac{2 x^{3 / 2}}{3}\right]_0^1\right| \\ & =\left|\left[\frac{1}{4}-\frac{2}{3}\right]\right| \\ & =\frac{5}{12} \text{ sq. unit } \end{aligned}
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