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MHT CET · Maths · Definite Integration

\(\int_0^1 x\left|x-\frac{1}{2}\right| \mathrm{d} x=\)

  1. A \(\frac{1}{2}\)
  2. B \(\frac{1}{12}\)
  3. C \(\frac{1}{8}\)
  4. D \(\frac{1}{16}\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(\frac{1}{8}\)

Step-by-step Solution

Detailed explanation

\(\int_0^1 x\left|x-\frac{1}{2}\right| \mathrm{d} x = \int_0^{1/2} x\left(\frac{1}{2}-x\right) \mathrm{d} x + \int_{1/2}^1 x\left(x-\frac{1}{2}\right) \mathrm{d} x\) \(= \int_0^{1/2} \left(\frac{x}{2}-x^2\right) \mathrm{d} x + \int_{1/2}^1 \left(x^2-\frac{x}{2}\right) \mathrm{d} x\)