Three Dimensional Geometry
Together With
CBSE
Grade 12
Question:
The value of $\int_0^{\pi/2} \frac{\sin^{18} x}{\sin^{18} x + \cos^{18} x} dx$ is:
(a) \pi/4
(b) \pi/2
(c) 0
(d) 1
Step-by-Step Solution
Key Concept: Using property \int_0^a f(x) dx = \int_0^a f(a-x) dx.
The detailed step-by-step mathematical proof is available inside the Mathbee app workspace.
Correct Answer: (A) \pi/4
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