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

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]
 

Grade:12

1 Answers

Abhishek Singh
105 Points
7 years ago
dont understand whats the limit of integration?? not written correctly

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