MCQ
$\int_0^a {f(x)\,dx} = $
- A$\int_0^a {f(a + x)\,dx} $
- B$\int_0^a {f(2a + x)\,dx} $
- C$\int_0^a {f(x - a)\,dx} $
- ✓$\int_0^a {f(a - x)\,dx} $
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