Mathematics › Definite Integration › Properties of Definite Integration
∫0π1+4 sin2x2-4 sinx2dx=∫0π2 sinx2-12dx=∫0π2 sinx2-1dx=2∫0πsinx2-12dx=2 ∫0π/3sinx2-12dx+∫π/3πsinx2-12dx=2 ∫0π/3-sinx2-12dx+∫π/3πsinx2-12dx=2 2cosx2+x20π/3+-2cosx2-x2π/3π = 2 2 3 2 + π 6 - 2 + - π 2 + 2 3 2 + π 6 = 2 3 + π 6 - 2 - π 2 + 3 + π 6 = 2 2 3 - π 6 - 2 = 4 3 - π 3 - 4 .
Asked in: JEE Main 2014 (06 Apr)
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