JEE Advance - Mathematics (1984 - No. 1)
Given a function $$f(x)$$ such that
(i) it is integrable over every interval on the real line and
(ii) $$f(t+x)=f(x),$$ for every $$x$$ and a real $$t$$, then show that
the integral $$\int\limits_a^{a + 1} {f\,\,\left( x \right)} \,dx$$ is independent of a.
(i) it is integrable over every interval on the real line and
(ii) $$f(t+x)=f(x),$$ for every $$x$$ and a real $$t$$, then show that
the integral $$\int\limits_a^{a + 1} {f\,\,\left( x \right)} \,dx$$ is independent of a.
The statement is false; the integral depends on a.
The statement is true because the function is periodic with period 1.
The statement is true because the function is integrable.
The statement is true because the function is constant.
The statement is true due to the properties of Riemann integrals.
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