Question
यदि $f$ सतत् फलन हो, तब
$\therefore $ $dx = dt$
जब $x = - 3 \to 5$ तब $t = - 2 \to 6$
$\int_{ - 3}^5 {f(x)dx} $
$ = \int_{ - 2}^6 {f(t - 1)dt = } \int_{ - 2}^6 {f(x - 1)dx} $.
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