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Grade 12Differential Calculus

Let Φ(x)= 0 3 cos3x dx. The function Φ(x) is
  1. increasing in [0, π]
  2. increasing in [0, π/2]
  3. decreasing in [0, 2π]
  4. decreasing in [-π/2, 3π/2]

Profile image of Shibashis Mallik
11 Years agoGrade 12
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1 Answer

Profile image of Abhishek Singh
11 Years ago
dont understand whats the limit of integration?? not written correctly